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Area Code 442

Area code 442 is in California, USA, spanning 7 counties and serving 120 cities, including Oceanside, Carlsbad or Vista; it currently uses 304 prefixes, assigned from 442-200-XXXX through 442-999-XXXX.

In service since November 21, 2009, area code 442 is an overlay Numbering Plan Area, part of overlay complex 760/442.

The current local time is 11:10:03 AM (Pacific Time Zone).

442 area code location on a map

*For exact NPA boundaries see official 442 area code map

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Locate any 442-NXX prefix:

NPANXX Area served1 Date2
442-200 Calexico N/A
442-201 Lee Vining 2/24/2016
442-202 Brawley 3/11/2016
442-203 Bridgeport 3/21/2016
442-204 Vista 4/12/2016
442-205 Yuca Valley 5/10/2016
442-206 Imperial 5/11/2016
442-207 Fallbrook 8/12/2016
442-208 Calipatria 8/22/2016
442-210 Big Pine 10/11/2016
442-212 Palm Springs 12/2/2016
442-214 Twentynine Palms N/A
442-215 Indio 12/13/2016
442-216 Vista 12/13/2016
442-217 Valley Center 3/24/2017
442-218 Lake Isabella 3/29/2017
442-219 Victorville 6/8/2017
442-220 Mountain Pass N/A
442-221 Benton 8/13/2013
442-222 Oceanside N/A
442-223 Newberry 6/29/2012
442-224 Vista 3/28/2013
442-225 El Centro N/A
442-226 Brawley 7/12/2013
442-227 Palm Desert 10/18/2013
442-228 Bishop 11/4/2013
442-229 Victorville 11/19/2013
442-230 Brawley 10/10/2016
442-231 El Centro N/A
442-232 Oceanside [Carlsbad] 4/7/2014
442-233 Lenwood 7/7/2014
442-234 Palm Springs 4/11/2014
442-235 Barstow 6/10/2014
442-236 El Centro 3/24/2014
442-237 Escondido 7/7/2014
442-238 El Centro N/A
442-239 Death Valley N/A
442-240 Ramona 12/04/2023
442-241 Indio N/A
442-242 Victorville 6/29/2011
442-243 Victorville 6/24/2014
442-244 Oceanside [Carlsbad] 3/25/2013
442-245 Vista 7/28/2014
442-246 Morongo Valley 6/17/2014
442-247 California City 9/3/2014
442-248 Escondido 9/26/2014
442-249 Victorville [Adelanto] 3/23/2015
442-250 Calexico 6/15/2017
442-251 Victorville [Hesperia] 11/24/2014
442-252 Calexico N/A
442-253 Calipatria 6/27/2014
442-254 Fallbrook 12/1/2014
442-255 Victorville 8/4/2015
442-256 Indio 1/16/2015
442-257 Escondido 1/21/2015
442-258 El Centro 3/17/2015
442-259 Summit Valley 10/19/2015
442-260 Desert Hot Springs N/A
442-261 Shoshone N/A
442-262 Oceanside 4/14/2015
442-263 Pauma Valley N/A
442-264 Oceanside 10/17/2014
442-265 El Centro 11/10/2014
442-266 Oceanside 6/15/2017
442-267 Victorville [Hesperia] N/A
442-268 Palm Springs 11/2/2015
442-269 Joshua Tree 12/3/2015
442-270 El Centro 9/20/2017
442-271 El Centro 1/16/2015
442-272 Inyokern 6/16/2015
442-273 Vista 3/9/2015
442-274 Palm Desert 3/4/2015
442-275 Palm Springs 8/6/2015
442-276 Pinyon 12/3/2015
442-277 Escondido 12/22/2017
442-278 Valley Center 8/27/2015
442-279 Brawley 3/29/2018
442-280 Barstow 4/11/2018
442-281 Escondido 12/30/2011
442-282 Palm Desert 12/3/2015
442-283 El Centro N/A
442-284 Victorville 3/13/2015
442-285 California City 7/6/2015
442-286 Escondido 5/27/2016
442-287 Oceanside [Carlsbad] 5/4/2016
442-288 Oceanside [Pendleton] 4/24/2018
442-289 Victorville 5/8/2018
442-290 Palm Springs 6/13/2018
442-291 Vista 7/25/2016
442-292 Victorville [Apple Valley] 3/27/2017
442-293 Borrego 9/9/2015
442-294 Ridgecrest 6/10/2016
442-295 Barstow 7/11/2016
442-296 Crowley Lake 10/28/2016
442-297 El Centro 9/21/2016
442-298 Trona 10/28/2016
442-299 Victorville [Hesperia] 7/31/2018

NPANXX Area served1 Date2
442-300 Indio N/A
442-301 June Lake 2/26/2016
442-302 Lucerne Valley 9/27/2018
442-303 Oceanside [Carlsbad] 10/15/2018
442-304 Eagle Mountain 10/22/2018
442-305 Palm Desert 3/7/2019
442-306 Indio 3/19/2019
442-307 Indio 1/10/2020
442-308 June Lake 3/26/2019
442-309 Barstow 8/7/2019
442-312 Pine Creek 10/2/2019
442-313 Havasu Lake 11/15/2019
442-314 Victorville 2/10/2020
442-315 Palm Springs 2/13/2020
442-316 Victorville [Hesperia] 3/18/2020
442-317 Escondido 4/24/2020
442-318 Lee Vining 5/1/2020
442-319 California City 5/13/2020
442-320 Encinitas 6/29/2020
442-321 Homestead Valley 6/17/2014
442-322 Brawley 7/2/2020
442-324 Indio 3/16/2015
442-325 Oceanside [Carlsbad] 6/16/2015
442-326 Independence 7/6/2015
442-327 Victorville 8/15/2016
442-328 Lone Pine N/A
442-329 Escondido 8/13/2020
442-330 Escondido 7/6/2021
442-331 Escondido 9/8/2020
442-332 Palm Springs 9/8/2020
442-333 Oceanside N/A
442-334 Palm Desert 5/10/2017
442-335 Palm Springs 11/13/2020
442-336 Victorville [Apple Valley] 3/20/2019
442-337 Victorville 2/10/2020
442-338 Palm Springs 11/13/2020
442-339 Oceanside [Carlsbad] 4/24/2020
442-340 Brawley 11/23/2020
442-341 Escondido 11/27/2020
442-342 Palm Springs 11/30/2020
442-343 Victorville 12/1/2020
442-344 Victorville 12/9/2020
442-345 Holtville N/A
442-346 Benton 9/17/2020
442-347 Barstow 4/14/2015
442-348 Victorville 3/20/2019
442-349 Escondido 12/16/2020
442-350 Escondido 2/10/2020
442-351 Escondido 12/16/2020
442-352 Palm Springs 12/16/2020
442-353 Victorville 12/16/2020
442-354 Brawley 3/11/2021
442-355 Escondido 3/24/2021
442-356 Victorville [Hesperia] 5/29/2020
442-357 Encinitas 4/2/2021
442-358 Ramona 5/18/2021
442-359 Oceanside [Carlsbad] 7/7/2021
442-360 Palm Springs 7/29/2021
442-361 Palm Springs 7/29/2021
442-362 Vista 7/30/2021
442-363 Victorville [Adelanto] 12/21/2017
442-364 Brawley 10/28/2021
442-365 Victorville [Apple Valley] 9/2/2021
442-366 Palm Springs 8/5/2021
442-367 Calexico 10/19/2021
442-368 Victorville 10/26/2021
442-369 Encinitas 9/23/2021
442-370 Indio 10/29/2021
442-371 Palm Desert 5/26/2022
442-372 Oceanside [Carlsbad] 4/29/2022
442-373 Brawley 1/14/2022
442-374 Fallbrook 6/29/2022
442-375 Oceanside 1/7/2022
442-376 Escondido 6/29/2022
442-377 Baker 3/10/2021
442-378 Fallbrook 2/28/2022
442-379 El Centro 11/15/2021
442-380 Victorville 2/10/2020
442-381 Indio 5/26/2022
442-382 Victorville [Hesperia] 4/9/2018
442-383 Desert Hot Springs 6/29/2022
442-384 Desert Center 7/11/2022
442-385 San Marcos 11/22/2021
442-386 Victorville 3/5/2021
442-387 Salton 7/13/2022
442-388 Desert Center 9/17/2020
442-389 Blythe 3/1/2022
442-390 Encinitas 7/14/2022
442-391 Winter Haven 7/28/2022
442-392 Victorville 10/21/2022
442-393 Calipatria 11/3/2022
442-394 Indio 01/19/2023
442-395 Palm Springs 09/26/2023
442-396 Palm Springs 02/10/2023
442-397 Palm Desert 04/12/2023
442-398 Victorville [Hesperia] 10/21/2022
442-399 El Mirage 9/17/2020

NPANXX Area served1 Date2
442-400 Indio N/A
442-401 Victorville 05/30/2023
442-402 Palm Springs 9/24/2021
442-403 Desert Hot Springs 05/31/2023
442-404 Vista 05/31/2023
442-405 Victorville [Adelanto] 06/16/2023
442-406 Victorville [Apple Valley] 06/15/2023
442-407 Palm Springs 06/16/2023
442-409 Calexico 06/16/2023
442-410 Kernville 06/22/2023
442-412 Brawley 08/09/2023
442-413 Encinitas 08/10/2023
442-414 Victorville 08/11/2023
442-416 San Marcos 08/16/2023
442-417 California City 08/28/2023
442-418 Palm Desert 08/28/2023
442-419 Victorville 10/04/2023
442-420 Palm Springs 3/7/2022
442-421 Lake Isabella 04/12/2023
442-422 Shoshone 5/29/2020
442-423 Lake Isabella 9/23/2020
442-425 Victorville 04/12/2023
442-426 Wrightwood 04/12/2023
442-427 Oceanside [Carlsbad] 08/22/2023
442-428 Victorville [Hesperia] 10/04/2023
442-429 Yucca Valley 10/16/2023
442-430 Vista 10/16/2023
442-431 El Centro 01/11/2024
442-432 Calexico 9/17/2020
442-433 Brawley 4/22/2021
442-434 Indio 01/30/2024
442-435 Palm Springs 01/30/2024
442-440 Lenwood 11/14/2019
442-441 Barstow [Yermo] 11/14/2019
442-443 Morongo Valley 11/14/2019
442-444 Fallbrook N/A
442-445 Bishop 04/12/2023
442-446 California City 1/11/2022
442-447 Boron 04/12/2023
442-448 Lenwood 04/12/2023
442-449 Oceanside 2/14/2022
442-451 Yuca Valley 6/23/2021
442-455 Barstow 6/7/2021
442-456 El Centro N/A
442-465 Ocotillo N/A
442-466 Oceanside [Pendleton] 4/23/2021
442-477 Ridgecrest 5/29/2020
442-484 Indio 1/26/2018
442-488 Escondido 9/17/2020
442-499 Fort Irwin 9/17/2020

NPANXX Area served1 Date2
442-500 Oceanside N/A
442-515 San Marcos 12/15/2016
442-522 Parker Dam 1/26/2022
442-524 Victorville [Adelanto] 9/23/2020
442-529 Indio 4/23/2020
442-532 El Centro 1/7/2022
442-533 Victorville 2/22/2022
442-542 Needles 9/23/2020
442-544 Escondido 2/22/2022
442-566 Valley Center 9/21/2021
442-567 Escondido 9/21/2021
442-568 Encinitas 2/21/2022
442-577 Pauma Valley 5/29/2020
442-588 Homestead Valley 9/17/2020
442-599 Indio 9/17/2020

NPANXX Area served1 Date2
442-600 Victorville [Hesperia] N/A
442-615 Oceanside 10/27/2014
442-637 Indio 1/14/2022
442-642 Newberry 9/23/2020
442-646 Brawley 1/10/2022
442-655 San Marcos 9/17/2021
442-666 Palm Desert N/A
442-667 Inyokern 12/30/2020
442-677 Palm Desert 5/29/2020
442-683 Homestead Valley 11/11/2020
442-688 Palo Verde 7/10/2020
442-699 Trona 11/9/2020

NPANXX Area served1 Date2
442-732 Sandy Valley 6/5/2020
442-733 Pinyon 1/14/2022
442-742 Summit Valley 9/23/2020
442-744 Bridgeport 11/6/2020
442-755 Victorville 4/22/2021
442-758 Olancha 5/29/2020
442-766 Inyokern 5/29/2020
442-777 Escondido N/A
442-786 Blythe 9/17/2020
442-788 Desert Hot Springs 5/29/2020
442-789 Weldon 3/10/2021
442-799 Twentynine Palms 3/1/2021

NPANXX Area served1 Date2
442-800 Victorville [Hesperia] N/A
442-822 Indio 2/22/2022
442-833 Joshua Tree 11/9/2020
442-842 Independence 5/29/2020
442-844 Sandy Valley 10/1/2021
442-855 Victorville [Apple Valley] 2/22/2022
442-866 Brawley 7/13/2021
442-867 Barstow 9/21/2021
442-877 Escondido 5/29/2020
442-888 Oceanside N/A
442-895 Palm Springs 11/22/2021
442-899 Warner Springs 12/21/2020

NPANXX Area served1 Date2
442-900 Ocotillo N/A
442-933 Indio 4/23/2021
442-936 Wrightwood [Phelan] 11/18/2016
442-944 Vista 10/25/2021
442-946 Earp [Lost Lake] 5/29/2020
442-955 Victorville 11/9/2020
442-966 Ridgecrest 11/6/2020
442-977 Oceanside [Carlsbad] 7/13/2021
442-999 Escondido 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 442

City1 County Time2
Adelanto San Bernardino P
Amboy San Bernardino P
Apple Valley San Bernardino P
Baker San Bernardino P
Bard Imperial P
Barstow San Bernardino P
Benton Mono P
Big Pine Inyo P
Bishop Inyo P
Blythe Riverside P
Bodfish Kern P
Bonsall San Diego P
Boron Kern P
Borrego Springs San Diego P
Brawley Imperial P
Bridgeport Mono P
Calexico Imperial P
California City Kern P
Calipatria Imperial P
Camp Pendleton San Diego P
Cantil Kern P
Cardiff By The Sea San Diego P
Carlsbad San Diego P
Cathedral City Riverside P
Cima San Bernardino P
Coachella Riverside P
Coleville Mono P
Daggett San Bernardino P
Darwin Inyo P
Death Valley Inyo P
Desert Center Riverside P
Desert Hot Springs Riverside P
Earp San Bernardino P
El Centro Imperial P
Encinitas San Diego P
Escondido San Diego P
Essex San Bernardino P
Fallbrook San Diego P
Felicity Imperial P
Fort Irwin San Bernardino P
Grand Terrace San Bernardino P
Heber Imperial P
Helendale San Bernardino P
Hesperia San Bernardino P
Hinkley San Bernardino P
Holtville Imperial P
Imperial Imperial P
Independence Inyo P
Indian Wells Riverside P
Indio Riverside P
Inyokern Kern P
Johannesburg Kern P
Joshua Tree San Bernardino P
Julian San Diego P
June Lake Mono P
Keeler Inyo P
Kernville Kern P
La Quinta Riverside P
Lake Isabella Kern P
Landers San Bernardino P
Lee Vining Mono P
Little Lake Inyo P
Lone Pine Inyo P
Lucerne Valley San Bernardino P
Ludlow San Bernardino P
Mammoth Lakes Mono P
Mecca Riverside P
Morongo Valley San Bernardino P
Mountain Pass San Bernardino P
Needles San Bernardino P
Newberry Springs San Bernardino P
Niland Imperial P
Nipton San Bernardino P
North Palm Springs Riverside P
Oceanside San Diego P
Ocotillo Imperial P
Olancha Inyo P
Onyx Kern P
Oro Grande San Bernardino P
Pala San Diego P
Palm Desert Riverside P
Palm Springs Riverside P
Palo Verde Imperial P
Palomar Mountain San Diego P
Parker Dam San Bernardino P
Pauma Valley San Diego P
Phelan San Bernardino P
Pinon Hills San Bernardino P
Pioneertown San Bernardino P
Ramona San Diego P
Ranchita San Diego P
Rancho Mirage Riverside P
Randsburg Kern P
Red Mountain San Bernardino P
Ridgecrest Kern P
Salton City Imperial P
San Luis Rey San Diego P
San Marcos San Diego P
Santa Ysabel San Diego P
Seeley Imperial P
Shoshone Inyo P
Tecopa Inyo P
Thermal Riverside P
Thousand Palms Riverside P
Topaz Mono P
Trona San Bernardino P
Twentynine Palms San Bernardino P
Valley Center San Diego P
Victorville San Bernardino P
Vidal San Bernardino P
Vista San Diego P
Warner Springs San Diego P
Weldon Kern P
Westmorland Imperial P
Whitewater Riverside P
Winterhaven Imperial P
Wofford Heights Kern P
Wrightwood San Bernardino P
Yermo San Bernardino P
Yucca Valley San Bernardino P
  1. Listed above are most places served by USA area code 442. 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 11:10:03 AM).
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