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Area Code 858

Area code 858 is in California, USA, spanning 1 county and serving 32 cities, including San Diego, National City or La Mesa; it currently uses 534 prefixes, assigned from 858-200-XXXX through 858-999-XXXX.

In service since June 12, 1999, area code 858 is an overlay Numbering Plan Area, part of overlay complex 619/858.

The current local time is 12:32:43 PM (Pacific Time Zone).

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More California area codes

858 area code prefix location

NPANXX Area served1 Date2
858-200 La Jolla N/A
858-201 San Diego [Mira Mesa] N/A
858-202 La Jolla N/A
858-203 La Jolla 1/27/2016
858-204 Poway N/A
858-205 Del Mar 1/16/2002
858-206 Poway 11/21/2006
858-207 Rancho Bernardo N/A
858-208 Poway N/A
858-209 Del Mar 5/22/2017
858-210 La Jolla 7/21/2008
858-212 Poway N/A
858-213 Poway N/A
858-214 La Jolla 11/22/2017
858-215 Rancho Penasquitos 3/30/2007
858-216 Rancho Penasquitos N/A
858-217 Rancho Bernardo N/A
858-218 Poway N/A
858-219 San Diego [Linda Vista] N/A
858-220 La Jolla 1/18/2002
858-221 San Diego [Linda Vista] 4/11/2016
858-222 La Jolla 10/13/2008
858-223 San Diego [Linda Vista] 6/10/2013
858-224 La Jolla 11/6/2009
858-225 San Diego [Mira Mesa] N/A
858-226 San Diego [Mira Mesa] 9/9/2014
858-227 Rancho Santa Fe N/A
858-228 La Jolla N/A
858-229 San Diego [Mira Mesa] 9/13/2001
858-230 La Jolla 8/23/2011
858-231 Poway 12/14/2001
858-232 La Jolla N/A
858-233 La Jolla N/A
858-234 Rancho Bernardo N/A
858-235 La Jolla 12/23/2019
858-236 Poway N/A
858-237 San Diego [Mira Mesa] N/A
858-238 El Cajon 9/8/2020
858-239 San Diego [Mira Mesa] 12/5/2014
858-240 Rancho Penasquitos N/A
858-241 La Jolla 1/8/2021
858-242 La Jolla 6/20/2011
858-243 Poway 5/17/2001
858-244 San Diego [Linda Vista] N/A
858-245 La Jolla 9/17/2001
858-246 La Jolla 7/3/2007
858-247 La Jolla N/A
858-248 Poway 10/18/2001
858-249 La Jolla 10/4/2012
858-250 La Jolla N/A
858-251 La Jolla 6/29/2012
858-252 Del Mar 10/8/2014
858-253 San Diego [Mira Mesa] 2/16/2015
858-254 Poway N/A
858-255 La Jolla 2/2/2011
858-256 San Diego [Linda Vista] 3/10/2013
858-257 La Jolla 10/1/2014
858-258 San Diego [Mira Mesa] 6/7/2018
858-259 Del Mar N/A
858-260 La Jolla 7/22/2013
858-261 Del Mar 2/18/2015
858-262 San Diego [Linda Vista] 3/11/2015
858-263 La Jolla 3/12/2013
858-264 San Diego [Linda Vista] 11/24/2014
858-265 San Diego [Mira Mesa] 7/2/2015
858-266 San Diego [Linda Vista] 11/8/2013
858-267 San Diego [Mira Mesa] 9/25/2015
858-268 San Diego [Linda Vista] N/A
858-269 Poway 10/3/2018
858-270 La Jolla N/A
858-271 San Diego [Mira Mesa] N/A
858-272 La Jolla N/A
858-273 La Jolla N/A
858-274 La Jolla N/A
858-275 San Diego [Mira Mesa] 4/8/2014
858-276 San Diego [Linda Vista] 2/26/2016
858-277 San Diego [Linda Vista] N/A
858-278 San Diego [Linda Vista] N/A
858-279 San Diego [Linda Vista] N/A
858-280 Del Mar 8/8/2016
858-281 La Jolla 4/22/2014
858-282 San Diego [Mira Mesa] 4/14/2017
858-283 La Jolla 10/10/2016
858-284 Del Mar 5/15/2014
858-285 San Diego [Linda Vista] 3/3/2017
858-286 Chula Vista 11/26/2018
858-287 San Diego [Mira Mesa] 8/11/2014
858-288 San Diego [Mira Mesa] 1/22/2019
858-289 San Diego [Linda Vista] 5/13/2020
858-290 Del Mar 2/28/2019
858-291 La Jolla 9/3/2014
858-292 San Diego [Linda Vista] N/A
858-293 San Diego [Mira Mesa] 5/16/2019
858-294 Chula Vista 7/23/2019
858-295 La Jolla 10/3/2014
858-296 San Diego [Linda Vista] 8/29/2019
858-297 Del Mar N/A
858-298 San Diego [Linda Vista] 2/4/2020
858-299 Del Mar 4/26/2016

NPANXX Area served1 Date2
858-300 San Diego [Linda Vista] N/A
858-301 El Cajon 6/11/2020
858-302 San Diego [Linda Vista] 10/3/2017
858-303 La Jolla 11/26/2019
858-304 Rancho Bernardo N/A
858-305 San Diego [Mira Mesa] 2/17/2021
858-306 Del Mar N/A
858-307 San Diego [Mira Mesa] 11/22/2017
858-308 San Diego [Linda Vista] 3/10/2021
858-309 San Diego [Linda Vista] N/A
858-310 Rancho Santa Fe N/A
858-312 Rancho Bernardo N/A
858-313 Del Mar 3/11/2021
858-314 Del Mar N/A
858-315 Chula Vista 7/1/2021
858-316 Chula Vista 7/1/2021
858-317 Dulzura 08/10/2023
858-318 Chula Vista 5/27/2022
858-319 La Jolla 3/24/2021
858-320 La Jolla N/A
858-321 San Diego 6/30/2022
858-322 San Diego [Mira Mesa] 11/13/2015
858-323 Chula Vista 7/22/2021
858-324 Rancho Penasquitos N/A
858-325 San Diego [Linda Vista] 10/11/2021
858-326 Chula Vista 10/4/2022
858-327 San Diego 9/24/2021
858-328 La Mesa 10/26/2021
858-329 San Diego [Mira Mesa] 6/14/2016
858-330 Rancho Penasquitos 11/18/2021
858-331 Chula Vista 10/10/2022
858-332 La Jolla N/A
858-333 La Jolla N/A
858-334 La Jolla 2/15/2001
858-335 Poway N/A
858-336 La Jolla N/A
858-337 La Jolla N/A
858-338 Harbison/ Alpine 9/8/2022
858-339 El Cajon 11/4/2022
858-340 La Jolla 03/10/2023
858-341 Chula Vista 10/28/2022
858-342 Del Mar N/A
858-343 La Jolla 12/6/2022
858-344 La Jolla 4/24/2001
858-345 Del Mar N/A
858-346 La Jolla N/A
858-347 Del Mar N/A
858-348 San Diego [Mira Mesa] N/A
858-349 La Jolla N/A
858-350 Del Mar N/A
858-351 San Diego 10/20/2022
858-352 La Jolla N/A
858-353 Del Mar N/A
858-354 La Jolla N/A
858-355 San Diego 9/22/2021
858-356 Del Mar N/A
858-357 San Diego [Mira Mesa] N/A
858-358 El Cajon 11/6/2020
858-359 La Jolla N/A
858-360 Rancho Penasquitos N/A
858-361 La Jolla N/A
858-362 La Jolla N/A
858-363 Jacumba 11/3/2022
858-364 Rancho Penasquitos N/A
858-365 Rancho Penasquitos N/A
858-366 La Jolla N/A
858-367 Rancho Santa Fe N/A
858-368 San Diego [Mira Mesa] N/A
858-369 Del Mar N/A
858-370 La Jolla 05/03/2023
858-371 Rancho Penasquitos N/A
858-372 La Jolla 05/03/2023
858-373 La Jolla N/A
858-374 La Jolla 08/03/2023
858-375 Poway N/A
858-376 Rancho Bernardo N/A
858-377 Poway 7/13/2021
858-378 San Diego [Mira Mesa] 11/14/2014
858-379 El Cajon 7/21/2022
858-380 San Diego [Linda Vista] N/A
858-381 Rancho Santa Fe N/A
858-382 Poway N/A
858-383 San Diego 08/22/2023
858-384 San Diego [Linda Vista] N/A
858-385 Rancho Bernardo N/A
858-386 Poway N/A
858-387 La Mesa 10/02/2023
858-388 El Cajon 3/19/2019
858-389 Chula Vista 10/10/2023
858-390 La Jolla 11/16/2023
858-391 Poway N/A
858-392 San Diego [Linda Vista] 01/02/2024
858-393 Del Mar 01/02/2024
858-394 San Diego [Linda Vista] 01/10/2024
858-395 Poway N/A
858-396 La Jolla 01/22/2024
858-397 San Diego [Mira Mesa] N/A
858-398 San Diego [Mira Mesa] 01/20/2023
858-399 Coronado 1/27/2021

NPANXX Area served1 Date2
858-400 Rancho Santa Fe N/A
858-401 La Jolla 3/8/2004
858-404 La Jolla N/A
858-405 La Jolla 12/14/2001
858-408 San Diego [Mira Mesa] N/A
858-410 La Jolla N/A
858-412 La Jolla 9/22/2006
858-413 Poway N/A
858-414 San Diego [Mira Mesa] 5/17/2002
858-422 Coronado 9/23/2021
858-424 El Cajon 03/20/2023
858-427 San Diego [Linda Vista] N/A
858-428 Rancho Penasquitos N/A
858-429 San Diego [Linda Vista] N/A
858-430 San Diego [Linda Vista] N/A
858-431 La Jolla N/A
858-432 Rancho Bernardo N/A
858-433 San Diego [Mira Mesa] N/A
858-434 Rancho Penasquitos N/A
858-435 Poway N/A
858-436 Del Mar N/A
858-437 San Diego [Mira Mesa] N/A
858-438 Chula Vista 10/6/2022
858-442 Poway N/A
858-444 San Diego [Mira Mesa] N/A
858-449 Poway N/A
858-450 La Jolla N/A
858-451 Rancho Bernardo N/A
858-452 La Jolla N/A
858-453 La Jolla N/A
858-454 La Jolla N/A
858-455 La Jolla N/A
858-456 La Jolla N/A
858-457 La Jolla N/A
858-458 La Jolla N/A
858-459 La Jolla N/A
858-461 Del Mar 1/6/2006
858-462 National City 1/11/2022
858-463 Chula Vista 1/11/2022
858-465 Del Mar 3/29/2013
858-466 La Mesa 3/16/2021
858-467 San Diego [Linda Vista] N/A
858-471 San Diego [Mira Mesa] 3/6/2018
858-472 Rancho Bernardo 9/13/2001
858-477 San Diego 6/4/2021
858-480 Del Mar N/A
858-481 Del Mar N/A
858-483 La Jolla N/A
858-484 Rancho Penasquitos N/A
858-485 Rancho Bernardo N/A
858-486 Poway N/A
858-487 Rancho Bernardo N/A
858-488 La Jolla N/A
858-490 La Jolla N/A
858-492 San Diego [Linda Vista] N/A
858-493 San Diego [Linda Vista] N/A
858-494 San Diego [Linda Vista] N/A
858-495 San Diego [Linda Vista] N/A
858-496 San Diego [Linda Vista] N/A
858-499 San Diego [Linda Vista] N/A

NPANXX Area served1 Date2
858-500 La Jolla N/A
858-502 San Diego [Linda Vista] N/A
858-503 San Diego [Linda Vista] N/A
858-504 Rancho Santa Fe 8/30/2002
858-505 San Diego [Linda Vista] N/A
858-509 Del Mar N/A
858-513 Poway N/A
858-514 San Diego [Linda Vista] N/A
858-518 La Jolla N/A
858-519 Del Mar N/A
858-521 Rancho Bernardo N/A
858-522 San Diego [Linda Vista] N/A
858-523 Del Mar N/A
858-524 Rancho Bernardo N/A
858-525 La Jolla N/A
858-526 La Jolla N/A
858-527 San Diego [Mira Mesa] N/A
858-529 La Jolla N/A
858-530 San Diego [Mira Mesa] N/A
858-531 La Jolla 6/18/2001
858-533 Harbison/ Alpine 11/30/2021
858-534 La Jolla N/A
858-535 La Jolla N/A
858-536 San Diego [Mira Mesa] N/A
858-537 San Diego [Mira Mesa] N/A
858-538 Rancho Penasquitos N/A
858-539 La Jolla N/A
858-541 San Diego [Linda Vista] N/A
858-544 Rancho Bernardo 9/24/2021
858-546 La Jolla N/A
858-547 San Diego [Mira Mesa] N/A
858-549 San Diego [Mira Mesa] N/A
858-550 La Jolla N/A
858-551 La Jolla N/A
858-552 La Jolla N/A
858-554 La Jolla N/A
858-558 La Jolla N/A
858-560 San Diego [Linda Vista] N/A
858-564 San Diego [Mira Mesa] N/A
858-565 San Diego [Linda Vista] N/A
858-566 San Diego [Mira Mesa] N/A
858-567 La Jolla 4/22/2021
858-568 La Jolla 8/9/2006
858-569 San Diego [Linda Vista] N/A
858-571 San Diego [Linda Vista] N/A
858-573 San Diego [Linda Vista] N/A
858-576 San Diego [Linda Vista] N/A
858-577 San Diego [Mira Mesa] N/A
858-578 San Diego [Mira Mesa] N/A
858-581 La Jolla N/A
858-583 San Diego [Linda Vista] 9/24/2001
858-585 La Mesa 3/19/2019
858-586 San Diego [Mira Mesa] N/A
858-587 La Jolla N/A
858-588 Rancho Bernardo 1/13/2021
858-592 Rancho Bernardo N/A
858-597 La Jolla N/A
858-598 San Diego [Linda Vista] N/A
858-599 National City 7/10/2020

NPANXX Area served1 Date2
858-600 Rancho Bernardo N/A
858-602 Poway 4/1/2002
858-603 Rancho Penasquitos N/A
858-605 Rancho Bernardo N/A
858-609 San Diego [Linda Vista] N/A
858-610 San Diego [Mira Mesa] 8/30/2002
858-613 Rancho Bernardo N/A
858-614 San Diego [Linda Vista] N/A
858-616 San Diego [Linda Vista] N/A
858-617 Del Mar N/A
858-618 Rancho Bernardo N/A
858-621 San Diego [Mira Mesa] N/A
858-622 La Jolla N/A
858-623 La Jolla N/A
858-625 La Jolla N/A
858-626 La Jolla N/A
858-627 San Diego [Linda Vista] N/A
858-630 San Diego [Mira Mesa] N/A
858-633 San Diego [Linda Vista] N/A
858-634 San Diego [Linda Vista] N/A
858-635 San Diego [Mira Mesa] N/A
858-636 San Diego [Linda Vista] N/A
858-637 San Diego [Linda Vista] N/A
858-638 La Jolla N/A
858-642 La Jolla N/A
858-643 La Jolla N/A
858-644 San Diego [Mira Mesa] 9/23/2021
858-646 La Jolla N/A
858-648 Poway 2/23/2018
858-649 Rancho Bernardo N/A
858-650 San Diego [Linda Vista] N/A
858-651 La Jolla N/A
858-652 La Jolla 9/21/2006
858-653 San Diego [Mira Mesa] N/A
858-654 San Diego [Linda Vista] N/A
858-655 Rancho Bernardo N/A
858-657 La Jolla N/A
858-658 La Jolla N/A
858-663 Poway N/A
858-665 La Jolla 1/19/2022
858-666 La Jolla N/A
858-667 San Diego [Linda Vista] 11/9/2020
858-668 Poway N/A
858-672 Rancho Penasquitos N/A
858-673 Rancho Bernardo N/A
858-674 Rancho Bernardo N/A
858-675 Rancho Bernardo N/A
858-676 Rancho Bernardo N/A
858-677 La Jolla N/A
858-678 La Jolla N/A
858-679 Poway N/A
858-682 Poway N/A
858-683 Rancho Bernardo N/A
858-684 San Diego [Mira Mesa] N/A
858-687 Poway 1/19/2022
858-688 San Diego [Mira Mesa] 9/24/2001
858-689 San Diego [Mira Mesa] N/A
858-692 La Jolla 8/14/2002
858-693 San Diego [Mira Mesa] N/A
858-694 San Diego [Linda Vista] N/A
858-695 San Diego [Mira Mesa] N/A
858-699 La Jolla 11/7/2001

NPANXX Area served1 Date2
858-703 Del Mar N/A
858-704 Del Mar N/A
858-705 Rancho Bernardo N/A
858-707 San Diego [Linda Vista] N/A
858-712 San Diego [Linda Vista] N/A
858-713 La Jolla N/A
858-715 San Diego [Linda Vista] N/A
858-716 Rancho Bernardo N/A
858-717 San Diego [Linda Vista] 8/30/2002
858-720 Del Mar N/A
858-722 Poway N/A
858-723 La Mesa 1/12/2022
858-724 Del Mar N/A
858-726 Poway N/A
858-727 San Diego 11/11/2020
858-728 San Diego [Mira Mesa] N/A
858-729 La Jolla N/A
858-731 La Jolla N/A
858-732 La Jolla N/A
858-733 Rancho Penasquitos 8/30/2002
858-735 Poway N/A
858-736 La Jolla N/A
858-737 San Diego [Linda Vista] N/A
858-740 San Diego [Mira Mesa] N/A
858-742 San Diego [Linda Vista] 1/12/2022
858-744 San Diego 4/23/2021
858-746 Poway N/A
858-748 Poway N/A
858-750 La Jolla 7/18/2006
858-751 San Diego [Linda Vista] N/A
858-752 La Jolla N/A
858-753 Rancho Bernardo N/A
858-754 La Jolla N/A
858-755 Del Mar N/A
858-756 Rancho Santa Fe N/A
858-757 San Diego [Mira Mesa] 1/29/2016
858-758 El Cajon 9/17/2020
858-759 Rancho Santa Fe N/A
858-761 San Diego [Mira Mesa] N/A
858-762 Poway N/A
858-764 Del Mar N/A
858-765 La Jolla 8/10/2021
858-766 La Jolla 11/7/2012
858-768 La Jolla 9/22/2006
858-769 San Diego [Linda Vista] N/A
858-771 Rancho Santa Fe 11/5/2004
858-774 Rancho Bernardo N/A
858-775 La Jolla N/A
858-776 Rancho Bernardo 8/30/2002
858-777 La Jolla N/A
858-779 Rancho Santa Fe N/A
858-780 Rancho Penasquitos N/A
858-784 La Jolla N/A
858-786 National City 3/16/2021
858-787 Pine Valley 2/17/2022
858-788 La Jolla 3/19/2019
858-789 San Diego 1/4/2021
858-790 San Diego [Mira Mesa] N/A
858-792 Del Mar N/A
858-793 Del Mar N/A
858-794 Del Mar N/A
858-795 La Jolla N/A
858-798 Rancho Bernardo N/A
858-799 La Jolla N/A

NPANXX Area served1 Date2
858-800 San Diego [Mira Mesa] N/A
858-805 San Diego [Mira Mesa] N/A
858-808 National City 2/18/2022
858-810 San Diego [Linda Vista] N/A
858-812 La Jolla N/A
858-815 Rancho Bernardo N/A
858-822 La Jolla N/A
858-824 La Jolla N/A
858-826 La Jolla N/A
858-828 San Diego 2/18/2022
858-829 Poway N/A
858-831 San Diego [Mira Mesa] N/A
858-832 Rancho Santa Fe N/A
858-833 San Diego 9/17/2020
858-834 Rancho Penasquitos N/A
858-836 San Diego [Linda Vista] N/A
858-837 Rancho Penasquitos N/A
858-838 Campo 5/10/2022
858-842 Poway N/A
858-844 El Cajon 8/5/2021
858-845 La Jolla N/A
858-847 Del Mar N/A
858-848 Poway N/A
858-855 El Cajon 4/23/2021
858-856 San Diego [Linda Vista] N/A
858-858 San Diego 05/22/2023
858-859 Poway N/A
858-860 San Diego [Mira Mesa] N/A
858-863 San Diego [Mira Mesa] N/A
858-864 La Jolla N/A
858-866 La Jolla N/A
858-867 San Diego 7/10/2020
858-868 San Diego 12/19/2018
858-869 La Jolla N/A
858-874 San Diego [Linda Vista] N/A
858-875 La Jolla N/A
858-876 Del Mar N/A
858-877 San Diego [Mira Mesa] N/A
858-878 La Mesa 2/18/2022
858-879 Rancho Bernardo N/A
858-880 San Diego [Mira Mesa] N/A
858-882 La Jolla N/A
858-883 Poway N/A
858-886 La Jolla N/A
858-888 La Jolla N/A
858-898 Coronado 2/18/2022
858-899 El Cajon 1/4/2021

NPANXX Area served1 Date2
858-900 La Jolla N/A
858-901 Rancho Penasquitos N/A
858-905 Rancho Penasquitos N/A
858-909 La Jolla N/A
858-910 Chula Vista 4/1/2021
858-914 Rancho Santa Fe N/A
858-922 La Jolla N/A
858-923 Rancho Santa Fe N/A
858-924 Rancho Bernardo N/A
858-925 Del Mar N/A
858-926 La Jolla N/A
858-927 Rancho Bernardo N/A
858-933 Del Mar 8/5/2021
858-935 San Diego [Mira Mesa] N/A
858-939 San Diego [Linda Vista] N/A
858-942 Rancho Bernardo N/A
858-943 Rancho Bernardo N/A
858-944 San Diego [Linda Vista] 7/13/2021
858-945 La Jolla N/A
858-946 Rancho Bernardo N/A
858-947 Del Mar N/A
858-951 Rancho Santa Fe N/A
858-952 La Jolla 12/19/2005
858-955 Pine Valley 9/17/2020
858-956 Poway N/A
858-964 La Jolla N/A
858-966 San Diego [Linda Vista] N/A
858-967 La Jolla N/A
858-974 San Diego [Linda Vista] N/A
858-977 Del Mar 3/27/2020
858-978 La Jolla 10/25/2023
858-979 La Jolla 10/30/2023
858-980 La Jolla 10/30/2023
858-981 La Jolla 10/30/2023
858-982 La Jolla 10/30/2023
858-983 La Jolla 10/30/2023
858-984 La Jolla 10/30/2023
858-985 La Jolla 10/30/2023
858-986 La Jolla 10/30/2023
858-987 San Diego [Linda Vista] N/A
858-988 San Diego 3/19/2019
858-989 La Jolla 10/30/2023
858-997 La Jolla 8/17/2007
858-999 La Jolla N/A
  1. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  2. Assignment date. N/A - mostly central office codes assigned before 2001.
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Cities in area code 858

City1 County Time2
Alpine San Diego P
Bonita San Diego P
Boulevard San Diego P
Campo San Diego P
Chula Vista San Diego P
Coronado San Diego P
Del Mar San Diego P
Descanso San Diego P
Dulzura San Diego P
El Cajon San Diego P
Guatay San Diego P
Imperial Beach San Diego P
Jacumba San Diego P
Jamul San Diego P
La Jolla San Diego P
La Mesa San Diego P
Lakeside San Diego P
Lemon Grove San Diego P
Lincoln Acres San Diego P
Mount Laguna San Diego P
National City San Diego P
Pine Valley San Diego P
Potrero San Diego P
Poway San Diego P
Rancho San Diego San Diego P
Rancho Santa Fe San Diego P
San Diego San Diego P
San Ysidro San Diego P
Santee San Diego P
Solana Beach San Diego P
Spring Valley San Diego P
Tecate San Diego P
  1. Listed above are most places served by USA area code 858. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. P stands for Pacific Time Zone (currently 12:32:43 PM).
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