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Detailed Information on Area Code 858
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| Country | United States of America |
| State | CALIFORNIA |
| Area Code | 858 |
| Date First Introduced | Jul 22 1999 |
| Timezone | (UTC-08:00) |
| Major Counties | SAN DIEGO |
| Major Cities | SAN DIEGO, LA JOLLA, RANCHO BERNARDO, DEL MAR, POWAY, RANCHO SANTA FE |
| Related Area Codes | 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 909 916 925 949 |
Location map for area code 858 in CALIFORNIA
Following is the list of available exchanges for area code 858 in CALIFORNIA -
| LA JOLLA | Area Code 858-200 - (U.s. Telepacific Corp. - Ca - 858200 )Area Code 858-202 - (Pacific Bell - 858202 )Area Code 858-220 - (Sprint Spectrum L.p. - 858220 )Area Code 858-228 - (Xo California, Inc. - 858228 )Area Code 858-232 - (At&t Wireless Services, Inc. - 858232 )Area Code 858-233 - (North County Communications Corp. - Ca - 858233 )Area Code 858-245 - (Cellco Partnership Dba Verizon Wireless - Ca - 858245 )Area Code 858-270 - (Pacific Bell - 858270 )Area Code 858-272 - (Pacific Bell - 858272 )Area Code 858-273 - (Pacific Bell - 858273 )Area Code 858-274 - (Pacific Bell - 858274 )Area Code 858-320 - (Pacific Bell - 858320 )Area Code 858-332 - (Time Warner Communications Axs Of California - 858332 )Area Code 858-334 - (Pacific Bell - 858334 )Area Code 858-361 - ( - 858361 )Area Code 858-362 - ( - 858362 )Area Code 858-373 - ( - 858373 )Area Code 858-404 - ( - 858404 )Area Code 858-405 - ( - 858405 )Area Code 858-450 - (Pacific Bell - 858450 )Area Code 858-452 - (Pacific Bell - 858452 )Area Code 858-453 - (Pacific Bell - 858453 )Area Code 858-454 - (Pacific Bell - 858454 )Area Code 858-455 - (Pacific Bell - 858455 )Area Code 858-456 - (Pacific Bell - 858456 )Area Code 858-457 - (Pacific Bell - 858457 )Area Code 858-458 - (Pacific Bell - 858458 )Area Code 858-459 - (Pacific Bell - 858459 )Area Code 858-483 - (Pacific Bell - 858483 )Area Code 858-488 - (Pacific Bell - 858488 )Area Code 858-490 - (Pacific Bell - 858490 )Area Code 858-525 - (Pacific Bell - 858525 )Area Code 858-526 - (Pacific Bell - 858526 )Area Code 858-531 - (Pacific Bell Mobile Services - 858531 )Area Code 858-534 - (Pacific Bell - 858534 )Area Code 858-535 - (Pacific Bell - 858535 )Area Code 858-539 - (Pacific Bell - 858539 )Area Code 858-546 - (Pacific Bell - 858546 )Area Code 858-550 - (Pacific Bell - 858550 )Area Code 858-551 - (Pacific Bell - 858551 )Area Code 858-552 - (Pacific Bell - 858552 )Area Code 858-554 - (Pacific Bell - 858554 )Area Code 858-558 - (Pacific Bell - 858558 )Area Code 858-581 - (Pacific Bell - 858581 )Area Code 858-587 - (Pacific Bell - 858587 )Area Code 858-597 - (Pacific Bell - 858597 )Area Code 858-622 - (Pacific Bell - 858622 )Area Code 858-623 - (Pacific Bell - 858623 )Area Code 858-625 - (Pacific Bell - 858625 )Area Code 858-626 - (Pacific Bell - 858626 )Area Code 858-638 - ( - 858638 )Area Code 858-642 - ( - 858642 )Area Code 858-643 - ( - 858643 )Area Code 858-646 - ( - 858646 )Area Code 858-651 - ( - 858651 )Area Code 858-657 - ( - 858657 )Area Code 858-658 - ( - 858658 )Area Code 858-677 - ( - 858677 )Area Code 858-678 - ( - 858678 )Area Code 858-692 - ( - 858692 )Area Code 858-699 - ( - 858699 )Area Code 858-729 - (Pacific Bell - 858729 )Area Code 858-736 - (Time Warner Communications Axs Of California - 858736 )Area Code 858-754 - (Time Warner Communications Axs Of California - 858754 )Area Code 858-784 - (Pacific Bell - 858784 )Area Code 858-795 - (Teleport Communications Group - San Diego - 858795 )Area Code 858-812 - (Teleport Communications Group - San Diego - 858812 )Area Code 858-822 - (Pacific Bell - 858822 )Area Code 858-824 - (Pacific Bell - 858824 )Area Code 858-826 - (Pacific Bell - 858826 )Area Code 858-845 - (Time Warner Communications Axs Of California - 858845 )Area Code 858-866 - (Mpower Communications Corp. - Ca - 858866 )Area Code 858-882 - (Time Warner Communications Axs Of California - 858882 )Area Code 858-886 - (Pacific Bell - 858886 )Area Code 858-909 - (Pacific Bell - 858909 ) |
| RANCHO BERNARDO | Area Code 858-207 - (Teleport Communications Group - San Diego - 858207 )Area Code 858-234 - (North County Communications Corp. - Ca - 858234 )Area Code 858-304 - (At&t Local - 858304 )Area Code 858-312 - (Cox California Telecom, Inc. - 858312 )Area Code 858-376 - ( - 858376 )Area Code 858-385 - ( - 858385 )Area Code 858-451 - (Pacific Bell - 858451 )Area Code 858-472 - (Cellco Partnership Dba Verizon Wireless - Ca - 858472 )Area Code 858-485 - (Pacific Bell - 858485 )Area Code 858-487 - (Pacific Bell - 858487 )Area Code 858-521 - (Pacific Bell - 858521 )Area Code 858-592 - (Pacific Bell - 858592 )Area Code 858-605 - (Paetec Communications, Inc. - Ca - 858605 )Area Code 858-613 - (Pacific Bell - 858613 )Area Code 858-618 - (Pacific Bell - 858618 )Area Code 858-655 - ( - 858655 )Area Code 858-673 - ( - 858673 )Area Code 858-674 - ( - 858674 )Area Code 858-675 - ( - 858675 )Area Code 858-676 - ( - 858676 )Area Code 858-683 - ( - 858683 )Area Code 858-776 - (T-mobile Usa, Inc. - 858776 )Area Code 858-815 - (Pac - West Telecomm, Inc. - 858815 )Area Code 858-879 - (Mcimetro, Ats, Inc. - 858879 )Area Code 858-924 - (Pacific Bell - 858924 )Area Code 858-927 - ( - 858927 ) |
| POWAY | Area Code 858-231 - (T-mobile Usa, Inc. - 858231 )Area Code 858-235 - (Network Services Llc - 858235 )Area Code 858-236 - (North County Communications Corp. - Ca - 858236 )Area Code 858-248 - (Cellco Partnership Dba Verizon Wireless - Ca - 858248 )Area Code 858-335 - (Pacific Bell Mobile Services - 858335 )Area Code 858-382 - ( - 858382 )Area Code 858-391 - ( - 858391 )Area Code 858-413 - ( - 858413 )Area Code 858-435 - (Paetec Communications, Inc. - Ca - 858435 )Area Code 858-486 - (Pacific Bell - 858486 )Area Code 858-513 - (Pacific Bell - 858513 )Area Code 858-602 - (Nextel Communications - 858602 )Area Code 858-668 - ( - 858668 )Area Code 858-679 - ( - 858679 )Area Code 858-722 - ( - 858722 )Area Code 858-730 - (Arch Wireless Holdings, Inc. - 858730 )Area Code 858-748 - (Pacific Bell - 858748 )Area Code 858-842 - (Cox California Telecom, Inc. - 858842 )Area Code 858-848 - (Teleport Communications Group - San Diego - 858848 )Area Code 858-859 - (Mcimetro, Ats, Inc. - 858859 )Area Code 858-956 - (Pac - West Telecomm, Inc. - 858956 )Area Code 858-998 - (Network Services Llc (tsr) - 858998 ) |
| DEL MAR | Area Code 858-259 - (Pacific Bell - 858259 )Area Code 858-297 - (North County Communications Corp. - Ca - 858297 )Area Code 858-314 - (Teleport Communications Group - San Diego - 858314 )Area Code 858-342 - (Pacific Bell Mobile Services - 858342 )Area Code 858-345 - (Cox California Telecom, Inc. - 858345 )Area Code 858-347 - (Arch Wireless Holdings, Inc. - 858347 )Area Code 858-350 - (Pacific Bell - 858350 )Area Code 858-351 - (Network Services Llc - 858351 )Area Code 858-353 - (Pacific Bell Mobile Services - 858353 )Area Code 858-356 - (Mpower Communications Corp. - Ca - 858356 )Area Code 858-369 - ( - 858369 )Area Code 858-481 - (Pacific Bell - 858481 )Area Code 858-509 - (Pacific Bell - 858509 )Area Code 858-523 - (Pacific Bell - 858523 )Area Code 858-524 - (Pacific Bell - 858524 )Area Code 858-703 - ( - 858703 )Area Code 858-720 - ( - 858720 )Area Code 858-755 - (Pacific Bell - 858755 )Area Code 858-764 - (Paetec Communications, Inc. - Ca - 858764 )Area Code 858-792 - (Pacific Bell - 858792 )Area Code 858-793 - (Pacific Bell - 858793 )Area Code 858-794 - (Pacific Bell - 858794 )Area Code 858-847 - (Pacific Bell - 858847 )Area Code 858-876 - (Global Crossing Local Services, Inc.-ca - 858876 )Area Code 858-947 - (Pac - West Telecomm, Inc. - 858947 ) |
| SAN DIEGO | Area Code 858-201 - (Level 3 Communications, Llc - Ca - 858201 )Area Code 858-204 - (Cellco Partnership Dba Verizon Wireless - Ca - 858204 )Area Code 858-205 - (T-mobile Usa, Inc. - 858205 )Area Code 858-208 - (01 Communications, Inc. - Ca - 858208 )Area Code 858-212 - (Sprint Spectrum L.p. - 858212 )Area Code 858-213 - (Sprint Spectrum L.p. - 858213 )Area Code 858-216 - (U.s. Telepacific Corp. - Ca - 858216 )Area Code 858-217 - (U.s. Telepacific Corp. - Ca - 858217 )Area Code 858-218 - (U.s. Telepacific Corp. - Ca - 858218 )Area Code 858-219 - (Network Services Llc - 858219 )Area Code 858-225 - (Pac - West Telecomm, Inc. - 858225 )Area Code 858-227 - (Xo California, Inc. - 858227 )Area Code 858-229 - (Cellco Partnership Dba Verizon Wireless - Ca - 858229 )Area Code 858-237 - (North County Communications Corp. - Ca - 858237 )Area Code 858-240 - (Time Warner Communications Axs Of California - 858240 )Area Code 858-241 - (Metrocall - 858241 )Area Code 858-243 - (Cellco Partnership Dba Verizon Wireless - Ca - 858243 )Area Code 858-244 - (Xo California, Inc. - 858244 )Area Code 858-254 - (Sprint Spectrum L.p. - 858254 )Area Code 858-268 - (Pacific Bell - 858268 )Area Code 858-271 - (Pacific Bell - 858271 )Area Code 858-277 - (Pacific Bell - 858277 )Area Code 858-278 - (Pacific Bell - 858278 )Area Code 858-279 - (Pacific Bell - 858279 )Area Code 858-289 - ( - 858289 )Area Code 858-292 - (Pacific Bell - 858292 )Area Code 858-300 - (U.s. Telepacific Corp. - Ca - 858300 )Area Code 858-302 - (Network Services Llc - 858302 )Area Code 858-309 - (Time Warner Communications Axs Of California - 858309 )Area Code 858-324 - (Teleport Communications Group - San Diego - 858324 )Area Code 858-336 - (Pacific Bell Mobile Services - 858336 )Area Code 858-337 - (Pacific Bell Mobile Services - 858337 )Area Code 858-344 - (At&t Wireless Services, Inc. - 858344 )Area Code 858-346 - (Global Crossing Local Services, Inc.-ca - 858346 )Area Code 858-348 - (Xo California, Inc. - 858348 )Area Code 858-349 - (Pacific Bell Mobile Services - 858349 )Area Code 858-352 - (Mcimetro, Ats, Inc. - 858352 )Area Code 858-354 - (Cellco Partnership Dba Verizon Wireless - Ca - 858354 )Area Code 858-357 - ( - 858357 )Area Code 858-359 - ( - 858359 )Area Code 858-360 - ( - 858360 )Area Code 858-364 - ( - 858364 )Area Code 858-365 - ( - 858365 )Area Code 858-366 - ( - 858366 )Area Code 858-368 - ( - 858368 )Area Code 858-371 - ( - 858371 )Area Code 858-375 - ( - 858375 )Area Code 858-380 - ( - 858380 )Area Code 858-381 - ( - 858381 )Area Code 858-384 - ( - 858384 )Area Code 858-386 - ( - 858386 )Area Code 858-395 - ( - 858395 )Area Code 858-397 - ( - 858397 )Area Code 858-400 - ( - 858400 )Area Code 858-408 - ( - 858408 )Area Code 858-410 - ( - 858410 )Area Code 858-414 - (Cellco Partnership Dba Verizon Wireless - Ca - 858414 )Area Code 858-427 - (Paetec Communications, Inc. - Ca - 858427 )Area Code 858-428 - (Pac - West Telecomm, Inc. - 858428 )Area Code 858-429 - (01 Communications, Inc. - Ca - 858429 )Area Code 858-430 - (Allegiance Telecom, Inc. - Ca - 858430 )Area Code 858-431 - (At&t Local - 858431 )Area Code 858-432 - (Icg Telecom Group - Ca - 858432 )Area Code 858-433 - (Paetec Communications, Inc. - Ca - 858433 )Area Code 858-434 - (Allegiance Telecom, Inc. - Ca - 858434 )Area Code 858-436 - (U.s. Telepacific Corp. - Ca - 858436 )Area Code 858-437 - (Pacific Bell - 858437 )Area Code 858-440 - (Network Services Llc - 858440 )Area Code 858-442 - (Cellco Partnership Dba Verizon Wireless - Ca - 858442 )Area Code 858-444 - (U.s. Telepacific Corp. - Ca - 858444 )Area Code 858-449 - (Cellco Partnership Dba Verizon Wireless - Ca - 858449 )Area Code 858-467 - (Pacific Bell - 858467 )Area Code 858-480 - (Time Warner Communications Axs Of California - 858480 )Area Code 858-484 - (Pacific Bell - 858484 )Area Code 858-492 - (Pacific Bell - 858492 )Area Code 858-493 - (Airtouch Paging - California - 858493 )Area Code 858-494 - (Airtouch Paging - California - 858494 )Area Code 858-495 - (Pacific Bell - 858495 )Area Code 858-496 - (Pacific Bell - 858496 )Area Code 858-499 - (Pacific Bell - 858499 )Area Code 858-502 - (Pacific Bell - 858502 )Area Code 858-503 - (Pacific Bell - 858503 )Area Code 858-505 - (Pacific Bell - 858505 )Area Code 858-514 - (Pacific Bell - 858514 )Area Code 858-518 - (Nextel Communications - 858518 )Area Code 858-519 - (Icg Telecom Group - Ca - 858519 )Area Code 858-522 - (Pacific Bell - 858522 )Area Code 858-527 - (Pacific Bell - 858527 )Area Code 858-530 - (Pacific Bell - 858530 )Area Code 858-536 - (Pacific Bell - 858536 )Area Code 858-537 - (Pacific Bell - 858537 )Area Code 858-538 - (Pacific Bell - 858538 )Area Code 858-541 - (Pacific Bell - 858541 )Area Code 858-547 - (Pacific Bell - 858547 )Area Code 858-549 - (Pacific Bell - 858549 )Area Code 858-560 - (Pacific Bell - 858560 )Area Code 858-564 - (Mpower Communications Corp. - Ca - 858564 )Area Code 858-565 - (Pacific Bell - 858565 )Area Code 858-566 - (Pacific Bell - 858566 )Area Code 858-569 - (Pacific Bell - 858569 )Area Code 858-570 - ( - 858570 )Area Code 858-571 - (Pacific Bell - 858571 )Area Code 858-573 - (Pacific Bell - 858573 )Area Code 858-576 - (Pacific Bell - 858576 )Area Code 858-577 - (Pacific Bell - 858577 )Area Code 858-578 - (Pacific Bell - 858578 )Area Code 858-583 - (Nextel Communications - 858583 )Area Code 858-586 - (Pacific Bell - 858586 )Area Code 858-598 - (Teleport Communications Group - San Diego - 858598 )Area Code 858-600 - (Cook Telecom, Inc. - 858600 )Area Code 858-603 - (At&t Wireless Services, Inc. - 858603 )Area Code 858-609 - (Mcimetro, Ats, Inc. - 858609 )Area Code 858-610 - (T-mobile Usa, Inc. - 858610 )Area Code 858-614 - (Pacific Bell - 858614 )Area Code 858-616 - (Pacific Bell - 858616 )Area Code 858-617 - (Time Warner Communications Axs Of California - 858617 )Area Code 858-621 - (Pacific Bell - 858621 )Area Code 858-627 - (Pacific Bell - 858627 )Area Code 858-630 - ( - 858630 )Area Code 858-633 - ( - 858633 )Area Code 858-634 - ( - 858634 )Area Code 858-635 - ( - 858635 )Area Code 858-636 - ( - 858636 )Area Code 858-637 - ( - 858637 )Area Code 858-649 - ( - 858649 )Area Code 858-650 - ( - 858650 )Area Code 858-653 - ( - 858653 )Area Code 858-654 - ( - 858654 )Area Code 858-663 - ( - 858663 )Area Code 858-672 - ( - 858672 )Area Code 858-682 - ( - 858682 )Area Code 858-684 - ( - 858684 )Area Code 858-688 - ( - 858688 )Area Code 858-689 - ( - 858689 )Area Code 858-693 - ( - 858693 )Area Code 858-694 - ( - 858694 )Area Code 858-695 - ( - 858695 )Area Code 858-704 - ( - 858704 )Area Code 858-705 - ( - 858705 )Area Code 858-707 - ( - 858707 )Area Code 858-712 - ( - 858712 )Area Code 858-713 - ( - 858713 )Area Code 858-715 - ( - 858715 )Area Code 858-716 - ( - 858716 )Area Code 858-717 - ( - 858717 )Area Code 858-724 - ( - 858724 )Area Code 858-726 - (Xo California, Inc. - 858726 )Area Code 858-728 - (Arch Wireless Holdings, Inc. - 858728 )Area Code 858-731 - (Mci Worldcom Communications, Inc., Ca - 858731 )Area Code 858-733 - (T-mobile Usa, Inc. - 858733 )Area Code 858-735 - (Cellco Partnership Dba Verizon Wireless - Ca - 858735 )Area Code 858-737 - (Mcimetro, Ats, Inc. - 858737 )Area Code 858-740 - (At&t Local - 858740 )Area Code 858-746 - (Time Warner Communications Axs Of California - 858746 )Area Code 858-751 - (Mpower Communications Corp. - Ca - 858751 )Area Code 858-752 - (Cox California Telecom, Inc. - 858752 )Area Code 858-753 - (Xo California, Inc. - 858753 )Area Code 858-761 - (Xo California, Inc. - 858761 )Area Code 858-762 - (Global Crossing Local Services, Inc.-ca - 858762 )Area Code 858-763 - (Network Services Llc - 858763 )Area Code 858-769 - (Pac - West Telecomm, Inc. - 858769 )Area Code 858-772 - (Metrocall - 858772 )Area Code 858-774 - (At&t Wireless Services, Inc. - 858774 )Area Code 858-775 - (Cellco Partnership Dba Verizon Wireless - Ca - 858775 )Area Code 858-777 - (Pac - West Telecomm, Inc. - 858777 )Area Code 858-779 - (Time Warner Communications Axs Of California - 858779 )Area Code 858-780 - (Pacific Bell - 858780 )Area Code 858-790 - (Teleport Communications Group - San Diego - 858790 )Area Code 858-798 - (Time Warner Communications Axs Of California - 858798 )Area Code 858-799 - (Mcimetro, Ats, Inc. - 858799 )Area Code 858-805 - (Time Warner Communications Axs Of California - 858805 )Area Code 858-810 - (Teleport Communications Group - San Diego - 858810 )Area Code 858-829 - (Sprint Spectrum L.p. - 858829 )Area Code 858-831 - (Pacific Bell - 858831 )Area Code 858-834 - (Global Crossing Local Services, Inc.-ca - 858834 )Area Code 858-836 - (Xo California, Inc. - 858836 )Area Code 858-837 - (At&t Wireless Services, Inc. - 858837 )Area Code 858-856 - (Network Services Llc (tsr) - 858856 )Area Code 858-860 - (Icg Telecom Group - Ca - 858860 )Area Code 858-863 - (Global Crossing Local Services, Inc.-ca - 858863 )Area Code 858-864 - (Nextel Communications - 858864 )Area Code 858-869 - (Icg Telecom Group - Ca - 858869 )Area Code 858-874 - (Pacific Bell - 858874 )Area Code 858-875 - (U.s. Telepacific Corp. - Ca - 858875 )Area Code 858-877 - (Mcimetro, Ats, Inc. - 858877 )Area Code 858-880 - (Mci Worldcom Communications, Inc., Ca - 858880 )Area Code 858-883 - (Sprint Spectrum L.p. - 858883 )Area Code 858-900 - (Network Services Llc - 858900 )Area Code 858-901 - (Xo California, Inc. - 858901 )Area Code 858-905 - (Mcimetro, Ats, Inc. - 858905 )Area Code 858-922 - (Cellco Partnership Dba Verizon Wireless - Ca - 858922 )Area Code 858-925 - ( - 858925 )Area Code 858-926 - ( - 858926 )Area Code 858-930 - ( - 858930 )Area Code 858-935 - ( - 858935 )Area Code 858-939 - ( - 858939 )Area Code 858-942 - ( - 858942 )Area Code 858-943 - ( - 858943 )Area Code 858-945 - ( - 858945 )Area Code 858-946 - ( - 858946 )Area Code 858-949 - (Cook Telecom, Inc. - 858949 )Area Code 858-964 - (Paetec Communications, Inc. - Ca - 858964 )Area Code 858-966 - (Pacific Bell - 858966 )Area Code 858-967 - (Nextel Communications - 858967 )Area Code 858-974 - (Pacific Bell - 858974 ) |
| RANCHO SANTA FE | Area Code 858-255 - (Network Services Llc - 858255 )Area Code 858-367 - ( - 858367 )Area Code 858-504 - (T-mobile Usa, Inc. - 858504 )Area Code 858-756 - (Pacific Bell - 858756 )Area Code 858-759 - (Pacific Bell - 858759 )Area Code 858-832 - (Cox California Telecom, Inc. - 858832 )Area Code 858-914 - (Mcimetro, Ats, Inc. - 858914 )Area Code 858-923 - (Pac - West Telecomm, Inc. - 858923 )Area Code 858-951 - (Global Crossing Local Services, Inc.-ca - 858951 ) |
Other Information about area code 858 in California
- State Information Resources for California (Source: State Information)
- CitySites Pages for California (Source: Official CitySites)
- Wikipedia Article on Area Code 858 (Source: Wikipedia)