| General Information | |
|---|---|
| Country | United States |
| State/Province | California |
| Major City | Oceanside |
| Time Zone | Pacific (UTC-08:00) |
| Current Local Time | 22:31 |
| Prefix | County | Primary City |
|---|---|---|
| 442-200 | Imperial | Calexico |
| 442-220 | San Bernardino | Mountain Pass |
| 442-221 | Mono | Benton |
| 442-222 | San Diego | Oceanside |
| 442-223 | San Bernardino | Daggett |
| 442-224 | San Diego | Vista |
| 442-225 | Imperial | El Centro |
| 442-226 | Imperial | Brawley |
| 442-227 | Riverside | Palm Springs |
| 442-228 | Inyo | Bishop |
| 442-229 | San Bernardino | Victorville |
| 442-230 | Riverside | Indio |
| 442-231 | Imperial | El Centro |
| 442-232 | San Diego | Carlsbad |
| 442-233 | San Bernardino | Hinkley |
| 442-234 | Riverside | Palm Springs |
| 442-235 | San Bernardino | Barstow |
| 442-236 | Imperial | El Centro |
| 442-237 | San Diego | Escondido |
| 442-238 | Imperial | El Centro |
| 442-239 | Inyo | Death Valley |
| 442-240 | Inyo | Death Valley |
| 442-241 | Riverside | Indio |
| 442-242 | San Bernardino | Victorville |
| 442-243 | San Bernardino | Victorville |
| 442-244 | San Diego | Carlsbad |
| 442-245 | San Diego | Vista |
| 442-246 | Riverside | Desert Hot Springs |
| 442-247 | Kern | California City |
| 442-248 | San Diego | Escondido |
| 442-249 | San Bernardino | Victorville |
| 442-251 | San Bernardino | Victorville |
| 442-252 | Imperial | Calexico |
| 442-253 | Imperial | Calipatria |
| 442-254 | San Diego | Fallbrook |
| 442-255 | - | - |
| 442-256 | Riverside | Indio |
| 442-257 | San Diego | Escondido |
| 442-258 | Imperial | El Centro |
| 442-261 | San Bernardino | Baker |
| 442-262 | San Diego | Oceanside |
| 442-263 | San Diego | Pauma Valley |
| 442-264 | San Diego | Oceanside |
| 442-265 | Imperial | El Centro |
| 442-267 | San Bernardino | Victorville |
| 442-271 | Imperial | El Centro |
| 442-272 | Kern | Inyokern |
| 442-273 | San Diego | Vista |
| 442-274 | Riverside | Palm Springs |
| 442-275 | - | - |