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Detailed Information on Area Code 303

Reverse lookup results for area code 303

Country United States of America
State COLORADO
Area Code 303
Date First Introduced Feb 04 1994
Timezone (UTC-07:00)
Major Counties JEFFERSON, DENVER, ARAPAHOE, ADAMS, BOULDER
Major Cities DENVER, AURORA, LONGMONT, GOLDEN, BRIGHTON, LITTLETON, ENGLEWOOD, FORT LUPTON, HUDSON, KEENESBURG
Related Area Codes 719 720 970

Location map for area code 303 in COLORADO


Following is the list of available exchanges for area code 303 in COLORADO -


BRIGHTON
Area Code 303-219 - ( - 303219 )Area Code 303-479 - (Teleport Communications Group - Co - 303479 )Area Code 303-558 - (Global Crossing Local Services, Inc.-co - 303558 )Area Code 303-637 - (Qwest Corporation - 303637 )Area Code 303-654 - (Qwest Corporation - 303654 )Area Code 303-655 - (Qwest Corporation - 303655 )Area Code 303-659 - (Qwest Corporation - 303659 )Area Code 303-835 - (Level 3 Communications, Llc - Co - 303835 )
BENNETT
Area Code 303-644 - (Eastern Slope Rural Telephone Association, Inc. - 303644 )
LITTLETON
Area Code 303-346 - ( - 303346 )Area Code 303-470 - (Qwest Corporation - 303470 )Area Code 303-471 - (Qwest Corporation - 303471 )Area Code 303-683 - (Qwest Corporation - 303683 )Area Code 303-791 - (Qwest Corporation - 303791 )
ENGLEWOOD
Area Code 303-785 - (Xo Colorado, Llc - 303785 )Area Code 303-856 - (Icg Telecom Group - Co - 303856 )Area Code 303-874 - (Icg Telecom Group - Co - 303874 )
LONGMONT
Area Code 303-485 - (Qwest Corporation - 303485 )Area Code 303-532 - (Mcleodusa Telecommunications Services, Inc.- Co - 303532 )Area Code 303-651 - (Qwest Corporation - 303651 )Area Code 303-652 - (Qwest Corporation - 303652 )Area Code 303-678 - (Qwest Corporation - 303678 )Area Code 303-682 - (Qwest Corporation - 303682 )Area Code 303-684 - (Qwest Corporation - 303684 )Area Code 303-702 - (Qwest Corporation - 303702 )Area Code 303-709 - (Cellco Partnership Dba Verizon Wireless - Co - 303709 )Area Code 303-746 - (Cellco Partnership Dba Verizon Wireless - Co - 303746 )Area Code 303-772 - (Qwest Corporation - 303772 )Area Code 303-774 - (Qwest Corporation - 303774 )Area Code 303-775 - (Cellco Partnership Dba Verizon Wireless - Co - 303775 )Area Code 303-776 - (Qwest Corporation - 303776 )Area Code 303-827 - (Icg Telecom Group - Co - 303827 )Area Code 303-845 - (Teleport Communications Group - Co - 303845 )Area Code 303-848 - (Icg Telecom Group - Co - 303848 )
STRASBURG
Area Code 303-622 - (Strasburg Telephone Co. - 303622 )
LOUISVILLE
Area Code 303-551 - (Mcimetro, Ats, Inc. - 303551 )
BYERS
Area Code 303-822 - (Bijou Telephone Cooperative Association, Inc. - 303822 )
ROGGEN
Area Code 303-849 - (Roggen Telephone Cooperative Co. - 303849 )
DENVER
Area Code 303-200 - ( - 303200 )Area Code 303-201 - ( - 303201 )Area Code 303-202 - ( - 303202 )Area Code 303-203 - ( - 303203 )Area Code 303-204 - ( - 303204 )Area Code 303-205 - ( - 303205 )Area Code 303-206 - ( - 303206 )Area Code 303-207 - ( - 303207 )Area Code 303-208 - ( - 303208 )Area Code 303-209 - ( - 303209 )Area Code 303-210 - ( - 303210 )Area Code 303-212 - ( - 303212 )Area Code 303-213 - ( - 303213 )Area Code 303-217 - ( - 303217 )Area Code 303-218 - ( - 303218 )Area Code 303-220 - ( - 303220 )Area Code 303-221 - ( - 303221 )Area Code 303-222 - ( - 303222 )Area Code 303-223 - ( - 303223 )Area Code 303-224 - ( - 303224 )Area Code 303-225 - ( - 303225 )Area Code 303-226 - ( - 303226 )Area Code 303-227 - ( - 303227 )Area Code 303-228 - ( - 303228 )Area Code 303-229 - ( - 303229 )Area Code 303-230 - ( - 303230 )Area Code 303-231 - ( - 303231 )Area Code 303-232 - ( - 303232 )Area Code 303-233 - ( - 303233 )Area Code 303-234 - ( - 303234 )Area Code 303-235 - ( - 303235 )Area Code 303-236 - ( - 303236 )Area Code 303-237 - ( - 303237 )Area Code 303-238 - ( - 303238 )Area Code 303-239 - ( - 303239 )Area Code 303-240 - ( - 303240 )Area Code 303-241 - ( - 303241 )Area Code 303-242 - ( - 303242 )Area Code 303-243 - ( - 303243 )Area Code 303-244 - ( - 303244 )Area Code 303-245 - ( - 303245 )Area Code 303-246 - ( - 303246 )Area Code 303-247 - ( - 303247 )Area Code 303-248 - ( - 303248 )Area Code 303-249 - ( - 303249 )Area Code 303-250 - ( - 303250 )Area Code 303-251 - ( - 303251 )Area Code 303-252 - ( - 303252 )Area Code 303-253 - ( - 303253 )Area Code 303-254 - ( - 303254 )Area Code 303-255 - ( - 303255 )Area Code 303-256 - ( - 303256 )Area Code 303-257 - ( - 303257 )Area Code 303-258 - ( - 303258 )Area Code 303-259 - ( - 303259 )Area Code 303-260 - ( - 303260 )Area Code 303-262 - ( - 303262 )Area Code 303-263 - ( - 303263 )Area Code 303-264 - ( - 303264 )Area Code 303-265 - ( - 303265 )Area Code 303-266 - ( - 303266 )Area Code 303-267 - ( - 303267 )Area Code 303-268 - ( - 303268 )Area Code 303-269 - ( - 303269 )Area Code 303-270 - ( - 303270 )Area Code 303-272 - ( - 303272 )Area Code 303-274 - ( - 303274 )Area Code 303-275 - ( - 303275 )Area Code 303-276 - ( - 303276 )Area Code 303-280 - ( - 303280 )Area Code 303-281 - ( - 303281 )Area Code 303-282 - ( - 303282 )Area Code 303-284 - ( - 303284 )Area Code 303-285 - ( - 303285 )Area Code 303-286 - ( - 303286 )Area Code 303-287 - ( - 303287 )Area Code 303-288 - ( - 303288 )Area Code 303-289 - ( - 303289 )Area Code 303-290 - ( - 303290 )Area Code 303-291 - ( - 303291 )Area Code 303-292 - ( - 303292 )Area Code 303-293 - ( - 303293 )Area Code 303-294 - ( - 303294 )Area Code 303-295 - ( - 303295 )Area Code 303-296 - ( - 303296 )Area Code 303-297 - ( - 303297 )Area Code 303-298 - ( - 303298 )Area Code 303-299 - ( - 303299 )Area Code 303-300 - ( - 303300 )Area Code 303-301 - ( - 303301 )Area Code 303-302 - ( - 303302 )Area Code 303-305 - ( - 303305 )Area Code 303-307 - ( - 303307 )Area Code 303-308 - ( - 303308 )Area Code 303-309 - ( - 303309 )Area Code 303-310 - ( - 303310 )Area Code 303-312 - ( - 303312 )Area Code 303-313 - ( - 303313 )Area Code 303-314 - ( - 303314 )Area Code 303-315 - ( - 303315 )Area Code 303-316 - ( - 303316 )Area Code 303-318 - ( - 303318 )Area Code 303-320 - ( - 303320 )Area Code 303-321 - ( - 303321 )Area Code 303-322 - ( - 303322 )Area Code 303-323 - ( - 303323 )Area Code 303-324 - ( - 303324 )Area Code 303-325 - ( - 303325 )Area Code 303-327 - ( - 303327 )Area Code 303-328 - ( - 303328 )Area Code 303-329 - ( - 303329 )Area Code 303-331 - ( - 303331 )Area Code 303-332 - ( - 303332 )Area Code 303-333 - ( - 303333 )Area Code 303-334 - ( - 303334 )Area Code 303-335 - ( - 303335 )Area Code 303-336 - ( - 303336 )Area Code 303-345 - ( - 303345 )Area Code 303-347 - ( - 303347 )Area Code 303-349 - ( - 303349 )Area Code 303-350 - ( - 303350 )Area Code 303-352 - ( - 303352 )Area Code 303-353 - ( - 303353 )Area Code 303-354 - ( - 303354 )Area Code 303-355 - ( - 303355 )Area Code 303-356 - ( - 303356 )Area Code 303-357 - ( - 303357 )Area Code 303-358 - ( - 303358 )Area Code 303-359 - ( - 303359 )Area Code 303-362 - ( - 303362 )Area Code 303-370 - ( - 303370 )Area Code 303-371 - ( - 303371 )Area Code 303-372 - ( - 303372 )Area Code 303-373 - ( - 303373 )Area Code 303-374 - ( - 303374 )Area Code 303-375 - ( - 303375 )Area Code 303-376 - ( - 303376 )Area Code 303-377 - ( - 303377 )Area Code 303-378 - ( - 303378 )Area Code 303-379 - ( - 303379 )Area Code 303-380 - ( - 303380 )Area Code 303-381 - ( - 303381 )Area Code 303-382 - ( - 303382 )Area Code 303-383 - ( - 303383 )Area Code 303-385 - ( - 303385 )Area Code 303-386 - ( - 303386 )Area Code 303-387 - ( - 303387 )Area Code 303-388 - ( - 303388 )Area Code 303-389 - ( - 303389 )Area Code 303-390 - ( - 303390 )Area Code 303-391 - ( - 303391 )Area Code 303-392 - ( - 303392 )Area Code 303-393 - ( - 303393 )Area Code 303-394 - ( - 303394 )Area Code 303-395 - ( - 303395 )Area Code 303-397 - ( - 303397 )Area Code 303-398 - ( - 303398 )Area Code 303-399 - ( - 303399 )Area Code 303-400 - ( - 303400 )Area Code 303-401 - ( - 303401 )Area Code 303-402 - ( - 303402 )Area Code 303-403 - ( - 303403 )Area Code 303-404 - ( - 303404 )Area Code 303-405 - ( - 303405 )Area Code 303-406 - ( - 303406 )Area Code 303-407 - ( - 303407 )Area Code 303-408 - ( - 303408 )Area Code 303-409 - ( - 303409 )Area Code 303-410 - ( - 303410 )Area Code 303-412 - ( - 303412 )Area Code 303-413 - ( - 303413 )Area Code 303-414 - ( - 303414 )Area Code 303-415 - ( - 303415 )Area Code 303-416 - ( - 303416 )Area Code 303-417 - ( - 303417 )Area Code 303-419 - ( - 303419 )Area Code 303-420 - ( - 303420 )Area Code 303-421 - ( - 303421 )Area Code 303-422 - ( - 303422 )Area Code 303-423 - ( - 303423 )Area Code 303-424 - ( - 303424 )Area Code 303-425 - ( - 303425 )Area Code 303-426 - ( - 303426 )Area Code 303-427 - ( - 303427 )Area Code 303-428 - ( - 303428 )Area Code 303-429 - ( - 303429 )Area Code 303-430 - ( - 303430 )Area Code 303-431 - ( - 303431 )Area Code 303-432 - ( - 303432 )Area Code 303-433 - ( - 303433 )Area Code 303-434 - ( - 303434 )Area Code 303-435 - ( - 303435 )Area Code 303-436 - ( - 303436 )Area Code 303-437 - ( - 303437 )Area Code 303-438 - ( - 303438 )Area Code 303-439 - ( - 303439 )Area Code 303-440 - ( - 303440 )Area Code 303-441 - ( - 303441 )Area Code 303-442 - ( - 303442 )Area Code 303-443 - ( - 303443 )Area Code 303-444 - ( - 303444 )Area Code 303-445 - ( - 303445 )Area Code 303-446 - ( - 303446 )Area Code 303-447 - ( - 303447 )Area Code 303-448 - ( - 303448 )Area Code 303-449 - ( - 303449 )Area Code 303-450 - ( - 303450 )Area Code 303-451 - ( - 303451 )Area Code 303-452 - ( - 303452 )Area Code 303-453 - ( - 303453 )Area Code 303-454 - ( - 303454 )Area Code 303-455 - ( - 303455 )Area Code 303-456 - ( - 303456 )Area Code 303-457 - (Qwest Corporation - 303457 )Area Code 303-458 - (Qwest Corporation - 303458 )Area Code 303-459 - (Qwest Corporation - 303459 )Area Code 303-460 - (Qwest Corporation - 303460 )Area Code 303-461 - (Metrocall - 303461 )Area Code 303-462 - (Qwest Corporation - 303462 )Area Code 303-463 - (Qwest Corporation - 303463 )Area Code 303-464 - (Qwest Corporation - 303464 )Area Code 303-465 - (Qwest Corporation - 303465 )Area Code 303-466 - (Qwest Corporation - 303466 )Area Code 303-467 - (Qwest Corporation - 303467 )Area Code 303-468 - (Cbeyond Communications, Llc-co - 303468 )Area Code 303-469 - (Qwest Corporation - 303469 )Area Code 303-472 - (Nextel Communications - 303472 )Area Code 303-473 - (Qwest Corporation - 303473 )Area Code 303-474 - (Teleport Communications Group - Co - 303474 )Area Code 303-475 - (At&t Wireless Services, Inc. - 303475 )Area Code 303-476 - (Mcimetro, Ats, Inc. - 303476 )Area Code 303-477 - (Qwest Corporation - 303477 )Area Code 303-478 - (At&t Wireless Services, Inc. - 303478 )Area Code 303-480 - (Qwest Corporation - 303480 )Area Code 303-481 - (Mcimetro, Ats, Inc. - 303481 )Area Code 303-482 - (Global Crossing Local Services, Inc.-co - 303482 )Area Code 303-483 - (Icg Telecom Group - Co - 303483 )Area Code 303-484 - (Teleport Communications Group - Co - 303484 )Area Code 303-486 - (Qwest Corporation - 303486 )Area Code 303-487 - (Qwest Corporation - 303487 )Area Code 303-488 - (Qwest Corporation - 303488 )Area Code 303-489 - (Cellco Partnership Dba Verizon Wireless - Co - 303489 )Area Code 303-490 - (Arch Wireless Holdings, Inc. - 303490 )Area Code 303-491 - (Arch Wireless Holdings, Inc. - 303491 )Area Code 303-492 - (Qwest Corporation - 303492 )Area Code 303-493 - (Icg Telecom Group - Co - 303493 )Area Code 303-494 - (Qwest Corporation - 303494 )Area Code 303-495 - (Mcimetro, Ats, Inc. - 303495 )Area Code 303-497 - (Qwest Corporation - 303497 )Area Code 303-499 - (Qwest Corporation - 303499 )Area Code 303-503 - (Cellco Partnership Dba Verizon Wireless - Co - 303503 )Area Code 303-504 - (Qwest Corporation - 303504 )Area Code 303-505 - (Weblink Wireless, Inc. - 303505 )Area Code 303-507 - (Qwest Wireless, Llc - 303507 )Area Code 303-508 - (Airtouch Paging - Colorado - 303508 )Area Code 303-509 - (Airtouch Paging - Colorado - 303509 )Area Code 303-510 - (Airtouch Paging - Colorado - 303510 )Area Code 303-512 - (Qwest Corporation - 303512 )Area Code 303-513 - (At&t Wireless Services, Inc. - 303513 )Area Code 303-514 - (Cellco Partnership Dba Verizon Wireless - Co - 303514 )Area Code 303-515 - (Arch Wireless Holdings, Inc. - 303515 )Area Code 303-516 - (Qwest Corporation - 303516 )Area Code 303-517 - (At&t Wireless Services, Inc. - 303517 )Area Code 303-518 - (Cellco Partnership Dba Verizon Wireless - Co - 303518 )Area Code 303-519 - (Cellco Partnership Dba Verizon Wireless - Co - 303519 )Area Code 303-520 - (Sprint Spectrum L.p. - 303520 )Area Code 303-521 - (Sprint Spectrum L.p. - 303521 )Area Code 303-522 - (Sprint Spectrum L.p. - 303522 )Area Code 303-523 - (T-mobile Usa, Inc. - 303523 )Area Code 303-524 - (Teleport Communications Group - Co - 303524 )Area Code 303-525 - (Qwest Wireless, Llc - 303525 )Area Code 303-527 - (Qwest Corporation - 303527 )Area Code 303-528 - (Airtouch Paging - Colorado - 303528 )Area Code 303-529 - (Weblink Wireless, Inc. - 303529 )Area Code 303-530 - (Qwest Corporation - 303530 )Area Code 303-531 - (Mcimetro, Ats, Inc. - 303531 )Area Code 303-533 - (Qwest Corporation - 303533 )Area Code 303-534 - (Qwest Corporation - 303534 )Area Code 303-538 - (Qwest Corporation - 303538 )Area Code 303-539 - (Xo Colorado, Llc - 303539 )Area Code 303-540 - (Metrocall - 303540 )Area Code 303-541 - (Qwest Corporation - 303541 )Area Code 303-542 - (Mcimetro, Ats, Inc. - 303542 )Area Code 303-543 - (Qwest Corporation - 303543 )Area Code 303-544 - (Qwest Corporation - 303544 )Area Code 303-545 - (Qwest Corporation - 303545 )Area Code 303-546 - (Qwest Corporation - 303546 )Area Code 303-547 - (Global Crossing Local Services, Inc.-co - 303547 )Area Code 303-548 - (Cellco Partnership Dba Verizon Wireless - Co - 303548 )Area Code 303-549 - (Cellco Partnership Dba Verizon Wireless - Co - 303549 )Area Code 303-550 - (Cellco Partnership Dba Verizon Wireless - Co - 303550 )Area Code 303-552 - (Global Crossing Local Services, Inc.-co - 303552 )Area Code 303-553 - (Arch Wireless Holdings, Inc. - 303553 )Area Code 303-554 - (Qwest Corporation - 303554 )Area Code 303-556 - (Qwest Corporation - 303556 )Area Code 303-559 - (Airtouch Paging - Colorado - 303559 )Area Code 303-560 - (Arch Wireless Holdings, Inc. - 303560 )Area Code 303-561 - (Qwest Corporation - 303561 )Area Code 303-562 - (Global Crossing Local Services, Inc.-co - 303562 )Area Code 303-563 - (Icg Telecom Group - Co - 303563 )Area Code 303-564 - (T-mobile Usa, Inc. - 303564 )Area Code 303-565 - (Mcimetro, Ats, Inc. - 303565 )Area Code 303-566 - (Mcimetro, Ats, Inc. - 303566 )Area Code 303-567 - (Qwest Corporation - 303567 )Area Code 303-568 - (Teleport Communications Group - Co - 303568 )Area Code 303-570 - (At&t Wireless Services, Inc. - 303570 )Area Code 303-571 - (Qwest Corporation - 303571 )Area Code 303-572 - (Qwest Corporation - 303572 )Area Code 303-573 - (Qwest Corporation - 303573 )Area Code 303-574 - (Qwest Corporation - 303574 )Area Code 303-575 - (Qwest Corporation - 303575 )Area Code 303-576 - (Qwest Corporation - 303576 )Area Code 303-579 - (Cellco Partnership Dba Verizon Wireless - Co - 303579 )Area Code 303-580 - (Airtouch Paging - Colorado - 303580 )Area Code 303-581 - (Qwest Corporation - 303581 )Area Code 303-582 - (Qwest Corporation - 303582 )Area Code 303-583 - (Teleport Communications Group - Co - 303583 )Area Code 303-584 - (Qwest Corporation - 303584 )Area Code 303-585 - (Qwest Corporation - 303585 )Area Code 303-587 - (Qwest Wireless, Llc - 303587 )Area Code 303-588 - (At&t Wireless Services, Inc. - 303588 )Area Code 303-589 - (At&t Wireless Services, Inc. - 303589 )Area Code 303-590 - (Icg Telecom Group - Co - 303590 )Area Code 303-591 - (Nextel Communications - 303591 )Area Code 303-592 - (Qwest Corporation - 303592 )Area Code 303-593 - (Teleport Communications Group - Co - 303593 )Area Code 303-594 - (Cellco Partnership Dba Verizon Wireless - Co - 303594 )Area Code 303-595 - (Qwest Corporation - 303595 )Area Code 303-596 - (Sprint Spectrum L.p. - 303596 )Area Code 303-597 - (Eschelon Telecom Of Colorado, Inc. - Co - 303597 )Area Code 303-598 - (Nextel Communications - 303598 )Area Code 303-599 - (Arch Wireless Holdings, Inc. - 303599 )Area Code 303-600 - (Teleport Communications Group - Co - 303600 )Area Code 303-601 - (At&t Wireless Services, Inc. - 303601 )Area Code 303-602 - (Qwest Corporation - 303602 )Area Code 303-603 - (Qwest Corporation - 303603 )Area Code 303-604 - (Qwest Corporation - 303604 )Area Code 303-605 - (Qwest Corporation - 303605 )Area Code 303-606 - (Qwest Corporation - 303606 )Area Code 303-607 - (Qwest Corporation - 303607 )Area Code 303-608 - (Qwest Corporation - 303608 )Area Code 303-609 - (Arch Wireless Holdings, Inc. - 303609 )Area Code 303-610 - (Arch Wireless Holdings, Inc. - 303610 )Area Code 303-612 - (Arch Wireless Holdings, Inc. - 303612 )Area Code 303-613 - (Arch Wireless Holdings, Inc. - 303613 )Area Code 303-615 - (Qwest Corporation - 303615 )Area Code 303-616 - (Weblink Wireless, Inc. - 303616 )Area Code 303-617 - (Qwest Corporation - 303617 )Area Code 303-618 - (At&t Wireless Services, Inc. - 303618 )Area Code 303-619 - (At&t Wireless Services, Inc. - 303619 )Area Code 303-620 - (Qwest Corporation - 303620 )Area Code 303-621 - (Qwest Corporation - 303621 )Area Code 303-623 - (Qwest Corporation - 303623 )Area Code 303-624 - (Qwest Corporation - 303624 )Area Code 303-625 - (Icg Telecom Group - Co - 303625 )Area Code 303-626 - (Qwest Corporation - 303626 )Area Code 303-627 - (Qwest Corporation - 303627 )Area Code 303-628 - (Qwest Corporation - 303628 )Area Code 303-629 - (Qwest Corporation - 303629 )Area Code 303-630 - (Qwest Corporation - 303630 )Area Code 303-631 - ( - 303631 )Area Code 303-632 - (Teleport Communications Group - Co - 303632 )Area Code 303-633 - (Qwest Corporation - 303633 )Area Code 303-634 - (Qwest Corporation - 303634 )Area Code 303-635 - (Qwest Corporation - 303635 )Area Code 303-638 - (At&t Wireless Services, Inc. - 303638 )Area Code 303-639 - (Qwest Corporation - 303639 )Area Code 303-640 - (Qwest Corporation - 303640 )Area Code 303-641 - (Sprint Spectrum L.p. - 303641 )Area Code 303-642 - (Qwest Corporation - 303642 )Area Code 303-643 - (Qwest Corporation - 303643 )Area Code 303-645 - (Qwest Corporation - 303645 )Area Code 303-646 - (Qwest Corporation - 303646 )Area Code 303-648 - (Qwest Corporation - 303648 )Area Code 303-649 - (Qwest Corporation - 303649 )Area Code 303-650 - (Qwest Corporation - 303650 )Area Code 303-653 - (Icg Telecom Group - Co - 303653 )Area Code 303-656 - (Weblink Wireless, Inc. - 303656 )Area Code 303-657 - (Qwest Corporation - 303657 )Area Code 303-658 - (Qwest Corporation - 303658 )Area Code 303-660 - (Qwest Corporation - 303660 )Area Code 303-661 - (Qwest Corporation - 303661 )Area Code 303-662 - (Qwest Corporation - 303662 )Area Code 303-663 - (Qwest Corporation - 303663 )Area Code 303-664 - (Qwest Corporation - 303664 )Area Code 303-665 - (Qwest Corporation - 303665 )Area Code 303-666 - (Qwest Corporation - 303666 )Area Code 303-667 - (T-mobile Usa, Inc. - 303667 )Area Code 303-668 - (T-mobile Usa, Inc. - 303668 )Area Code 303-669 - (T-mobile Usa, Inc. - 303669 )Area Code 303-670 - (Qwest Corporation - 303670 )Area Code 303-672 - (Qwest Corporation - 303672 )Area Code 303-673 - (Qwest Corporation - 303673 )Area Code 303-674 - (Qwest Corporation - 303674 )Area Code 303-675 - (Qwest Corporation - 303675 )Area Code 303-679 - (Qwest Corporation - 303679 )Area Code 303-680 - (Qwest Corporation - 303680 )Area Code 303-681 - (Qwest Corporation - 303681 )Area Code 303-685 - (Qwest Corporation - 303685 )Area Code 303-686 - (Arch Wireless Holdings, Inc. - 303686 )Area Code 303-687 - (Arch Wireless Holdings, Inc. - 303687 )Area Code 303-688 - (Qwest Corporation - 303688 )Area Code 303-689 - (Qwest Corporation - 303689 )Area Code 303-690 - (Qwest Corporation - 303690 )Area Code 303-691 - (Qwest Corporation - 303691 )Area Code 303-692 - (Qwest Corporation - 303692 )Area Code 303-693 - (Qwest Corporation - 303693 )Area Code 303-694 - (Qwest Corporation - 303694 )Area Code 303-697 - (Qwest Corporation - 303697 )Area Code 303-698 - (Qwest Corporation - 303698 )Area Code 303-699 - (Qwest Corporation - 303699 )Area Code 303-701 - (Communications Unlimited - 303701 )Area Code 303-703 - (Qwest Corporation - 303703 )Area Code 303-704 - (Mcimetro, Ats, Inc. - 303704 )Area Code 303-705 - (Qwest Corporation - 303705 )Area Code 303-706 - (Qwest Corporation - 303706 )Area Code 303-707 - (Qwest Corporation - 303707 )Area Code 303-708 - (Qwest Corporation - 303708 )Area Code 303-712 - (Qwest Corporation - 303712 )Area Code 303-713 - (Qwest Corporation - 303713 )Area Code 303-714 - (Qwest Corporation - 303714 )Area Code 303-715 - (Qwest Corporation - 303715 )Area Code 303-716 - (Qwest Corporation - 303716 )Area Code 303-721 - (Qwest Corporation - 303721 )Area Code 303-722 - (Qwest Corporation - 303722 )Area Code 303-723 - (Teleport Communications Group - Co - 303723 )Area Code 303-725 - (Sprint Spectrum L.p. - 303725 )Area Code 303-726 - (Cellco Partnership Dba Verizon Wireless - Co - 303726 )Area Code 303-727 - (Qwest Corporation - 303727 )Area Code 303-728 - (Teleport Communications Group - Co - 303728 )Area Code 303-729 - (Mcimetro, Ats, Inc. - 303729 )Area Code 303-730 - (Qwest Corporation - 303730 )Area Code 303-733 - (Qwest Corporation - 303733 )Area Code 303-734 - (Qwest Corporation - 303734 )Area Code 303-735 - (Qwest Corporation - 303735 )Area Code 303-736 - (Teleport Communications Group - Co - 303736 )Area Code 303-737 - (Qwest Corporation - 303737 )Area Code 303-738 - (Qwest Corporation - 303738 )Area Code 303-740 - (Qwest Corporation - 303740 )Area Code 303-741 - (Qwest Corporation - 303741 )Area Code 303-742 - (Qwest Corporation - 303742 )Area Code 303-744 - (Qwest Corporation - 303744 )Area Code 303-748 - (At&t Wireless Services, Inc. - 303748 )Area Code 303-749 - (Teleport Communications Group - Co - 303749 )Area Code 303-753 - (Qwest Corporation - 303753 )Area Code 303-754 - (Qwest Corporation - 303754 )Area Code 303-756 - (Qwest Corporation - 303756 )Area Code 303-757 - (Qwest Corporation - 303757 )Area Code 303-758 - (Qwest Corporation - 303758 )Area Code 303-759 - (Qwest Corporation - 303759 )Area Code 303-760 - (Metrocall - 303760 )Area Code 303-761 - (Qwest Corporation - 303761 )Area Code 303-762 - (Qwest Corporation - 303762 )Area Code 303-763 - (Qwest Corporation - 303763 )Area Code 303-764 - (Qwest Corporation - 303764 )Area Code 303-765 - (Qwest Corporation - 303765 )Area Code 303-766 - (Qwest Corporation - 303766 )Area Code 303-767 - (Contact Paging Of Colorado, Inc. - 303767 )Area Code 303-768 - (Qwest Corporation - 303768 )Area Code 303-770 - (Qwest Corporation - 303770 )Area Code 303-771 - (Qwest Corporation - 303771 )Area Code 303-773 - (Qwest Corporation - 303773 )Area Code 303-777 - (Qwest Corporation - 303777 )Area Code 303-778 - (Qwest Corporation - 303778 )Area Code 303-779 - (Qwest Corporation - 303779 )Area Code 303-780 - (Qwest Corporation - 303780 )Area Code 303-781 - (Qwest Corporation - 303781 )Area Code 303-782 - (Qwest Corporation - 303782 )Area Code 303-783 - (Qwest Corporation - 303783 )Area Code 303-784 - (Qwest Corporation - 303784 )Area Code 303-786 - (Qwest Corporation - 303786 )Area Code 303-787 - (Qwest Corporation - 303787 )Area Code 303-788 - (Qwest Corporation - 303788 )Area Code 303-789 - (Qwest Corporation - 303789 )Area Code 303-790 - (Qwest Corporation - 303790 )Area Code 303-792 - (Qwest Corporation - 303792 )Area Code 303-793 - (Qwest Corporation - 303793 )Area Code 303-794 - (Qwest Corporation - 303794 )Area Code 303-795 - (Qwest Corporation - 303795 )Area Code 303-796 - (Qwest Corporation - 303796 )Area Code 303-797 - (Qwest Corporation - 303797 )Area Code 303-798 - (Qwest Corporation - 303798 )Area Code 303-799 - (Qwest Corporation - 303799 )Area Code 303-800 - (Apollo Communications, Llc - Co - 303800 )Area Code 303-801 - (Mcimetro, Ats, Inc. - 303801 )Area Code 303-802 - (Mcimetro, Ats, Inc. - 303802 )Area Code 303-803 - (Time Warner Telecom Of Colorado Llc-co - 303803 )Area Code 303-804 - (Qwest Corporation - 303804 )Area Code 303-805 - (Qwest Corporation - 303805 )Area Code 303-806 - (Qwest Corporation - 303806 )Area Code 303-807 - (At&t Wireless Services, Inc. - 303807 )Area Code 303-808 - (At&t Wireless Services, Inc. - 303808 )Area Code 303-809 - (At&t Wireless Services, Inc. - 303809 )Area Code 303-810 - (At&t Wireless Services, Inc. - 303810 )Area Code 303-812 - (Qwest Corporation - 303812 )Area Code 303-813 - (Qwest Corporation - 303813 )Area Code 303-814 - (Qwest Corporation - 303814 )Area Code 303-816 - (Qwest Corporation - 303816 )Area Code 303-817 - (Cellco Partnership Dba Verizon Wireless - Co - 303817 )Area Code 303-818 - (Cellco Partnership Dba Verizon Wireless - Co - 303818 )Area Code 303-819 - (Cellco Partnership Dba Verizon Wireless - Co - 303819 )Area Code 303-820 - (Qwest Corporation - 303820 )Area Code 303-821 - (Arch Wireless Holdings, Inc. - 303821 )Area Code 303-824 - (Teleport Communications Group - Co - 303824 )Area Code 303-825 - (Qwest Corporation - 303825 )Area Code 303-826 - (Metrocall - 303826 )Area Code 303-828 - (Qwest Corporation - 303828 )Area Code 303-829 - (Cellco Partnership Dba Verizon Wireless - Co - 303829 )Area Code 303-830 - (Qwest Corporation - 303830 )Area Code 303-831 - (Qwest Corporation - 303831 )Area Code 303-832 - (Qwest Corporation - 303832 )Area Code 303-833 - (Qwest Corporation - 303833 )Area Code 303-836 - (Communications Unlimited - 303836 )Area Code 303-837 - (Qwest Corporation - 303837 )Area Code 303-838 - (Qwest Corporation - 303838 )Area Code 303-839 - (Qwest Corporation - 303839 )Area Code 303-840 - (Qwest Corporation - 303840 )Area Code 303-841 - (Qwest Corporation - 303841 )Area Code 303-842 - (Cellco Partnership Dba Verizon Wireless - Co - 303842 )Area Code 303-843 - (Qwest Corporation - 303843 )Area Code 303-844 - (Qwest Corporation - 303844 )Area Code 303-846 - (Qwest Corporation - 303846 )Area Code 303-847 - (Level 3 Communications, Llc - Co - 303847 )Area Code 303-850 - (Qwest Corporation - 303850 )Area Code 303-851 - (Metrocall - 303851 )Area Code 303-852 - (Arch Wireless Holdings, Inc. - 303852 )Area Code 303-853 - (Qwest Corporation - 303853 )Area Code 303-854 - (Icg Telecom Group - Co - 303854 )Area Code 303-855 - (Metrocall - 303855 )Area Code 303-858 - (Qwest Corporation - 303858 )Area Code 303-859 - (Cellco Partnership Dba Verizon Wireless - Co - 303859 )Area Code 303-860 - (Qwest Corporation - 303860 )Area Code 303-861 - (Qwest Corporation - 303861 )Area Code 303-863 - (Qwest Corporation - 303863 )Area Code 303-864 - (Qwest Corporation - 303864 )Area Code 303-865 - (Icg Telecom Group - Co - 303865 )Area Code 303-866 - (Qwest Corporation - 303866 )Area Code 303-868 - (Cellco Partnership Dba Verizon Wireless - Co - 303868 )Area Code 303-869 - (Qwest Corporation - 303869 )Area Code 303-870 - (Cellco Partnership Dba Verizon Wireless - Co - 303870 )Area Code 303-871 - (Qwest Corporation - 303871 )Area Code 303-872 - (Level 3 Communications, Llc - Co - 303872 )Area Code 303-875 - (T-mobile Usa, Inc. - 303875 )Area Code 303-876 - (Mcimetro, Ats, Inc. - 303876 )Area Code 303-877 - (Cellco Partnership Dba Verizon Wireless - Co - 303877 )Area Code 303-878 - (Arch Wireless Holdings, Inc. - 303878 )Area Code 303-879 - (Arch Wireless Holdings, Inc. - 303879 )Area Code 303-880 - (Cellco Partnership Dba Verizon Wireless - Co - 303880 )Area Code 303-881 - (At&t Wireless Services, Inc. - 303881 )Area Code 303-882 - (At&t Wireless Services, Inc. - 303882 )Area Code 303-883 - (At&t Wireless Services, Inc. - 303883 )Area Code 303-884 - (At&t Wireless Services, Inc. - 303884 )Area Code 303-885 - (At&t Wireless Services, Inc. - 303885 )Area Code 303-886 - (At&t Wireless Services, Inc. - 303886 )Area Code 303-887 - (At&t Wireless Services, Inc. - 303887 )Area Code 303-888 - (At&t Wireless Services, Inc. - 303888 )Area Code 303-889 - (Qwest Corporation - 303889 )Area Code 303-890 - (Metrocall - 303890 )Area Code 303-891 - (Metrocall - 303891 )Area Code 303-892 - (Qwest Corporation - 303892 )Area Code 303-893 - (Qwest Corporation - 303893 )Area Code 303-894 - (Qwest Corporation - 303894 )Area Code 303-895 - (Cellco Partnership Dba Verizon Wireless - Co - 303895 )Area Code 303-896 - (Qwest Corporation - 303896 )Area Code 303-897 - (Metrocall - 303897 )Area Code 303-898 - (At&t Wireless Services, Inc. - 303898 )Area Code 303-899 - (Qwest Corporation - 303899 )Area Code 303-901 - (Nextel Communications - 303901 )Area Code 303-902 - (Cellco Partnership Dba Verizon Wireless - Co - 303902 )Area Code 303-903 - (Cellco Partnership Dba Verizon Wireless - Co - 303903 )Area Code 303-904 - (Qwest Corporation - 303904 )Area Code 303-905 - (Cellco Partnership Dba Verizon Wireless - Co - 303905 )Area Code 303-906 - (Cellco Partnership Dba Verizon Wireless - Co - 303906 )Area Code 303-907 - (Cellco Partnership Dba Verizon Wireless - Co - 303907 )Area Code 303-908 - (Cellco Partnership Dba Verizon Wireless - Co - 303908 )Area Code 303-909 - (Cellco Partnership Dba Verizon Wireless - Co - 303909 )Area Code 303-910 - (Cellco Partnership Dba Verizon Wireless - Co - 303910 )Area Code 303-912 - (Cellco Partnership Dba Verizon Wireless - Co - 303912 )Area Code 303-913 - (Cellco Partnership Dba Verizon Wireless - Co - 303913 )Area Code 303-914 - (Qwest Corporation - 303914 )Area Code 303-915 - (Cellco Partnership Dba Verizon Wireless - Co - 303915 )Area Code 303-916 - (Cellco Partnership Dba Verizon Wireless - Co - 303916 )Area Code 303-917 - (Cellco Partnership Dba Verizon Wireless - Co - 303917 )Area Code 303-918 - (Cellco Partnership Dba Verizon Wireless - Co - 303918 )Area Code 303-919 - (Cellco Partnership Dba Verizon Wireless - Co - 303919 )Area Code 303-920 - (Qwest Corporation - 303920 )Area Code 303-921 - (Cellco Partnership Dba Verizon Wireless - Co - 303921 )Area Code 303-922 - (Qwest Corporation - 303922 )Area Code 303-923 - (Icg Telecom Group - Co - 303923 )Area Code 303-924 - (Qwest Corporation - 303924 )Area Code 303-925 - (Qwest Corporation - 303925 )Area Code 303-926 - (Qwest Corporation - 303926 )Area Code 303-927 - (Teleport Communications Group - Co - 303927 )Area Code 303-928 - (Mcimetro, Ats, Inc. - 303928 )Area Code 303-929 - (Cellco Partnership Dba Verizon Wireless - Co - 303929 )Area Code 303-930 - (Qwest Corporation - 303930 )Area Code 303-931 - (T-mobile Usa, Inc. - 303931 )Area Code 303-932 - (Qwest Corporation - 303932 )Area Code 303-933 - (Qwest Corporation - 303933 )Area Code 303-934 - (Qwest Corporation - 303934 )Area Code 303-935 - (Qwest Corporation - 303935 )Area Code 303-936 - (Qwest Corporation - 303936 )Area Code 303-937 - (Qwest Corporation - 303937 )Area Code 303-938 - (Qwest Corporation - 303938 )Area Code 303-939 - (Qwest Corporation - 303939 )Area Code 303-940 - (Qwest Corporation - 303940 )Area Code 303-941 - (Cellco Partnership Dba Verizon Wireless - Co - 303941 )Area Code 303-942 - (Teleport Communications Group - Co - 303942 )Area Code 303-943 - (Nextwave Telecom, Inc Dba Nextwave Wireless - 303943 )Area Code 303-944 - (Nextel Communications - 303944 )Area Code 303-945 - (Mcimetro, Ats, Inc. - 303945 )Area Code 303-946 - (Qwest Wireless, Llc - 303946 )Area Code 303-947 - (Cellco Partnership Dba Verizon Wireless - Co - 303947 )Area Code 303-948 - (Qwest Corporation - 303948 )Area Code 303-949 - (Sprint Spectrum L.p. - 303949 )Area Code 303-951 - (Level 3 Communications, Llc - Co - 303951 )Area Code 303-952 - (Level 3 Communications, Llc - Co - 303952 )Area Code 303-953 - (Level 3 Communications, Llc - Co - 303953 )Area Code 303-954 - (Level 3 Communications, Llc - Co - 303954 )Area Code 303-955 - (Global Crossing Local Services, Inc.-co - 303955 )Area Code 303-957 - (Global Crossing Local Services, Inc.-co - 303957 )Area Code 303-960 - (T-mobile Usa, Inc. - 303960 )Area Code 303-961 - (Nextel Communications - 303961 )Area Code 303-963 - (Icg Telecom Group - Co - 303963 )Area Code 303-964 - (Qwest Corporation - 303964 )Area Code 303-965 - (Qwest Corporation - 303965 )Area Code 303-966 - (Qwest Corporation - 303966 )Area Code 303-967 - (Qwest Corporation - 303967 )Area Code 303-968 - (Mcimetro, Ats, Inc. - 303968 )Area Code 303-969 - (Qwest Corporation - 303969 )Area Code 303-971 - (Qwest Corporation - 303971 )Area Code 303-972 - (Qwest Corporation - 303972 )Area Code 303-973 - (Qwest Corporation - 303973 )Area Code 303-974 - (Global Crossing Local Services, Inc.-co - 303974 )Area Code 303-975 - (Qwest Corporation - 303975 )Area Code 303-977 - (Qwest Corporation - 303977 )Area Code 303-978 - (Qwest Corporation - 303978 )Area Code 303-979 - (Qwest Corporation - 303979 )Area Code 303-980 - (Qwest Corporation - 303980 )Area Code 303-981 - (Cellco Partnership Dba Verizon Wireless - Co - 303981 )Area Code 303-984 - (Qwest Corporation - 303984 )Area Code 303-985 - (Qwest Corporation - 303985 )Area Code 303-986 - (Qwest Corporation - 303986 )Area Code 303-987 - (Qwest Corporation - 303987 )Area Code 303-988 - (Qwest Corporation - 303988 )Area Code 303-989 - (Qwest Corporation - 303989 )Area Code 303-991 - (Allegiance Telecom Of Colorado, Inc. - 303991 )Area Code 303-992 - (Qwest Corporation - 303992 )Area Code 303-994 - (Nextel Communications - 303994 )Area Code 303-995 - (Qwest Wireless, Llc - 303995 )Area Code 303-996 - (Eschelon Telecom Of Colorado, Inc. - Co - 303996 )Area Code 303-998 - (Qwest Corporation - 303998 )
DEER TRAIL
Area Code 303-769 - (Bijou Telephone Cooperative Association, Inc. - 303769 )
HUDSON
Area Code 303-536 - (Qwest Corporation - 303536 )
LYONS
Area Code 303-823 - (Qwest Corporation - 303823 )
ALLENSPARK
Area Code 303-747 - (Qwest Corporation - 303747 )
KEENESBURG
Area Code 303-732 - (Qwest Corporation - 303732 )
GOLDEN
Area Code 303-215 - ( - 303215 )Area Code 303-216 - ( - 303216 )Area Code 303-271 - ( - 303271 )Area Code 303-273 - ( - 303273 )Area Code 303-277 - ( - 303277 )Area Code 303-278 - ( - 303278 )Area Code 303-279 - ( - 303279 )Area Code 303-384 - ( - 303384 )Area Code 303-526 - (Qwest Corporation - 303526 )Area Code 303-982 - (Qwest Corporation - 303982 )
AURORA
Area Code 303-214 - ( - 303214 )Area Code 303-261 - ( - 303261 )Area Code 303-283 - ( - 303283 )Area Code 303-306 - ( - 303306 )Area Code 303-317 - ( - 303317 )Area Code 303-326 - ( - 303326 )Area Code 303-337 - ( - 303337 )Area Code 303-338 - ( - 303338 )Area Code 303-340 - ( - 303340 )Area Code 303-341 - ( - 303341 )Area Code 303-342 - ( - 303342 )Area Code 303-343 - ( - 303343 )Area Code 303-344 - ( - 303344 )Area Code 303-348 - ( - 303348 )Area Code 303-360 - ( - 303360 )Area Code 303-361 - ( - 303361 )Area Code 303-363 - ( - 303363 )Area Code 303-364 - ( - 303364 )Area Code 303-365 - ( - 303365 )Area Code 303-366 - ( - 303366 )Area Code 303-367 - ( - 303367 )Area Code 303-368 - ( - 303368 )Area Code 303-369 - ( - 303369 )Area Code 303-418 - ( - 303418 )Area Code 303-537 - (Teleport Communications Group - Co - 303537 )Area Code 303-557 - (Global Crossing Local Services, Inc.-co - 303557 )Area Code 303-577 - (Eschelon Telecom Of Colorado, Inc. - Co - 303577 )Area Code 303-614 - (Qwest Corporation - 303614 )Area Code 303-636 - (Qwest Corporation - 303636 )Area Code 303-671 - (Qwest Corporation - 303671 )Area Code 303-676 - (Qwest Corporation - 303676 )Area Code 303-677 - (Qwest Corporation - 303677 )Area Code 303-695 - (Qwest Corporation - 303695 )Area Code 303-696 - (Qwest Corporation - 303696 )Area Code 303-724 - (Qwest Corporation - 303724 )Area Code 303-731 - (Level 3 Communications, Llc - Co - 303731 )Area Code 303-739 - (Qwest Corporation - 303739 )Area Code 303-743 - (Qwest Corporation - 303743 )Area Code 303-745 - (Qwest Corporation - 303745 )Area Code 303-750 - (Qwest Corporation - 303750 )Area Code 303-751 - (Qwest Corporation - 303751 )Area Code 303-752 - (Qwest Corporation - 303752 )Area Code 303-755 - (Qwest Corporation - 303755 )Area Code 303-834 - (Voice Networks, Inc. - 303834 )Area Code 303-873 - (Qwest Corporation - 303873 )
SEDALIA
Area Code 303-647 - (Qwest Corporation - 303647 )
IDAHO SPRINGS
Area Code 303-569 - (Qwest Corporation - 303569 )
FORT LUPTON
Area Code 303-506 - (At&t Wireless Services, Inc. - 303506 )Area Code 303-535 - ( - 303535 )Area Code 303-710 - (Cellco Partnership Dba Verizon Wireless - Co - 303710 )Area Code 303-717 - (At&t Wireless Services, Inc. - 303717 )Area Code 303-718 - (Cellco Partnership Dba Verizon Wireless - Co - 303718 )Area Code 303-857 - (At&t Wireless Services, Inc. - 303857 )Area Code 303-956 - (At&t Wireless Services, Inc. - 303956 )

Other Information about area code 303 in Colorado

  • State Information Resources for Colorado (Source: State Information)
  • CitySites Pages for Colorado (Source: Official CitySites)
  • Wikipedia Article on Area Code 303 (Source: Wikipedia)