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 342 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 .
For exact NPA boundaries see official 442 area code map
Phone number lookup
More California area codes:
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 |
| 442-436 | Brawley | 02/14/2024 |
| 442-437 | Victorville | 02/20/2024 |
| 442-438 | Victorville | 02/27/2024 |
| 442-439 | Oceanside | 02/27/2024 |
| 442-440 | Lenwood | 11/14/2019 |
| 442-441 | Barstow [Yermo] | 11/14/2019 |
| 442-442 | Brawley | 11/08/2024 |
| 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 |
| 442-450 | Twentynine Palms | 03/11/2024 |
| 442-451 | Yuca Valley | 6/23/2021 |
| 442-452 | Valley Center | 03/11/2024 |
| 442-453 | Victorville [Hesperia] | 03/14/2024 |
| 442-454 | Indio | 03/18/2024 |
| 442-455 | Barstow | 6/7/2021 |
| 442-456 | El Centro | N/A |
| 442-457 | Victorville [Adelanto] | 03/21/2024 |
| 442-458 | Indio | 03/06/2025 |
| 442-459 | El Centro | 04/12/2024 |
| 442-460 | Calexico | 04/29/2024 |
| 442-461 | Brawley | 05/01/2024 |
| 442-462 | Victorville [Hesperia] | 05/31/2024 |
| 442-463 | Indio | 06/21/2024 |
| 442-464 | Vista | 06/25/2024 |
| 442-465 | Ocotillo | N/A |
| 442-466 | Oceanside [Pendleton] | 4/23/2021 |
| 442-467 | El Centro | 06/25/2024 |
| 442-468 | Palm Springs | 07/05/2024 |
| 442-469 | Victorville | 08/16/2024 |
| 442-470 | Palm Desert | 08/29/2024 |
| 442-471 | Indio | 09/09/2024 |
| 442-472 | San Marcos | 09/09/2024 |
| 442-473 | Victorville [Hesperia] | 09/12/2024 |
| 442-474 | El Centro | 09/12/2024 |
| 442-475 | California City | 09/20/2024 |
| 442-476 | Palm Spg | 09/23/2024 |
| 442-477 | Ridgecrest | 5/29/2020 |
| 442-478 | El Centro | 10/09/2024 |
| 442-479 | El Centro | 11/12/2024 |
| 442-480 | Vista | 11/12/2024 |
| 442-481 | Palm Springs | 11/13/2024 |
| 442-482 | Victorville [Apple Valley] | 01/13/2025 |
| 442-483 | Ridgecrest | 01/15/2025 |
| 442-484 | Indio | 1/26/2018 |
| 442-485 | Barstow | 01/28/2025 |
| 442-486 | Victorville [Apple Valley] | 03/13/2025 |
| 442-487 | Oceanside [Carlsbad] | 03/27/2025 |
| 442-488 | Escondido | 9/17/2020 |
| 442-489 | Brawley | 04/11/2025 |
| 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 |
| 442-998 | Palm Desert | 03/27/2024 |
| 442-999 | Escondido | N/A |
- 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.
- Assignment date. N/A - mostly central office codes assigned before 2001.
- NXX prefixes last updated: June 3, 2025
Cities in area code 442
| City1 | County | Time Zone2 |
|---|---|---|
| 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 |
- 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.
- P stands for Pacific Time (currently ).