Area Code 279
Area code 279 is in California, USA , spanning 4 counties and serving 32 cities, including Sacramento, Citrus Heights or Folsom; it currently uses 137 prefixes, assigned from 279-200-XXXX through 279-999-XXXX.
In service since March 10, 2018, area code 279 is an overlay Numbering Plan Area, part of overlay complex 916/279.
The current local time is .
For exact NPA boundaries see official 279 area code map
Phone number lookup
More California area codes:
Locate any 279-NXX prefix:
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 279-200 | Sacramento | N/A |
| 279-201 | Fair Oaks | 8/31/2018 |
| 279-202 | Fair Oaks | 10/11/2019 |
| 279-203 | Sacramento North | 1/10/2020 |
| 279-204 | Sacramento North | 4/6/2020 |
| 279-205 | Sacramento | 4/20/2020 |
| 279-206 | South Placer | 11/16/2020 |
| 279-207 | Elk Grove | 12/14/2020 |
| 279-208 | Sacramento | 2/22/2021 |
| 279-209 | Elk Grove | 7/28/2021 |
| 279-210 | Sacramento | 8/31/2021 |
| 279-212 | Michigan Bar | 4/15/2021 |
| 279-213 | Lincoln | 10/1/2021 |
| 279-214 | Fair Oaks | 10/1/2021 |
| 279-215 | Folsom | 11/22/2021 |
| 279-216 | Scrm Main | 12/10/2021 |
| 279-217 | South Placer | 1/28/2021 |
| 279-218 | Sacramento North | 5/27/2022 |
| 279-219 | Folsom | 2/11/2022 |
| 279-220 | Sacramento | 5/13/2022 |
| 279-221 | Sacramento | 6/17/2022 |
| 279-222 | Sacramento | 1/23/2019 |
| 279-223 | Sacramento | 1/4/2022 |
| 279-224 | Sacramento | 6/3/2022 |
| 279-225 | Sacramento North | 6/29/2022 |
| 279-226 | Roseville | 8/12/2022 |
| 279-227 | South Placer | 8/25/2022 |
| 279-228 | Sacramento | 10/3/2022 |
| 279-229 | Sacramento | 5/26/2022 |
| 279-230 | Roseville | 01/26/2023 |
| 279-231 | Sacramento | 9/20/2022 |
| 279-232 | Michigan Bar | 11/4/2022 |
| 279-233 | Sacramento North | 5/6/2022 |
| 279-234 | Sacramento | 5/27/2020 |
| 279-235 | Folsom | 10/20/2022 |
| 279-236 | Roseville | 04/12/2023 |
| 279-237 | Sacramento | 05/19/2023 |
| 279-238 | Sacramento | 06/22/2023 |
| 279-239 | Folsom | 06/22/2023 |
| 279-240 | Elk Grove | 08/17/2023 |
| 279-241 | Sacramento | 08/23/2023 |
| 279-242 | Sacramento North | 09/19/2023 |
| 279-243 | Roseville | 09/19/2023 |
| 279-244 | South Placer | 09/19/2023 |
| 279-245 | Folsom | 10/18/2023 |
| 279-246 | Rio Linda | 11/01/2023 |
| 279-247 | Sacramento North | 5/19/2021 |
| 279-248 | Sacramento | 12/04/2023 |
| 279-249 | Elk Grove | 12/05/2023 |
| 279-250 | Sacramento North | 12/29/2023 |
| 279-251 | Sacramento | 12/29/2023 |
| 279-252 | Fair Oaks | 01/10/2024 |
| 279-253 | Roseville | 01/10/2024 |
| 279-254 | Elk Grove | 01/23/2024 |
| 279-255 | Sacramento | 01/25/2024 |
| 279-256 | Folsom | 01/25/2024 |
| 279-257 | Sacramento | 02/29/2024 |
| 279-258 | Folsom | 03/26/2024 |
| 279-259 | Roseville | 03/26/2024 |
| 279-260 | Sacramento | 04/09/2024 |
| 279-261 | Sacramento North | 05/13/2024 |
| 279-262 | South Placer | 05/14/2024 |
| 279-263 | Roseville [Citrus Heights] | 05/31/2024 |
| 279-264 | Folsom | 07/05/2024 |
| 279-265 | Sacramento | 08/20/2024 |
| 279-266 | Sacramento | 09/04/2024 |
| 279-267 | Folsom | 09/19/2024 |
| 279-268 | Sacramento | 09/20/2024 |
| 279-269 | Sacramento North | 10/09/2024 |
| 279-270 | Sacramento North | 11/08/2024 |
| 279-271 | Rio Linda | 11/12/2024 |
| 279-272 | Sacramento North | 11/20/2024 |
| 279-273 | Sacramento | 11/21/2024 |
| 279-274 | Sacramento | 05/20/2024 |
| 279-275 | Sacramento | 11/21/2024 |
| 279-276 | Courtland | 11/22/2024 |
| 279-277 | Roseville [Citrus Heights] | 12/9/2021 |
| 279-278 | Folsom | 1/22/2021 |
| 279-279 | Roseville [Citrus Heights] | 12/7/2020 |
| 279-280 | Sacramento North | 03/19/2024 |
| 279-281 | Meadowview | 12/02/2024 |
| 279-282 | Elk Grove | 12/06/2024 |
| 279-283 | Sacramento | 01/28/2025 |
| 279-284 | Sacramento North | 02/12/2025 |
| 279-285 | Sacramento | 02/18/2025 |
| 279-289 | Folsom | 9/30/2022 |
| 279-297 | Elk Grove | 03/22/2023 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 279-300 | Sacramento | 5/16/2019 |
| 279-321 | Folsom | 3/20/2018 |
| 279-322 | Walnut Grove | 7/7/2021 |
| 279-333 | Elk Grove | 1/17/2018 |
| 279-336 | Roseville | 11/3/2020 |
| 279-345 | Sacramento North | 5/27/2020 |
| 279-346 | Sacramento North | 9/17/2020 |
| 279-348 | Sacramento | 9/17/2020 |
| 279-356 | Folsom | 6/1/2020 |
| 279-386 | Sacramento | 5/18/2021 |
| 279-399 | Sacramento | 3/19/2018 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 279-732 | Folsom | 2/25/2021 |
| 279-737 | Roseville [Citrus Heights] | 03/23/2023 |
| 279-758 | Sacramento North | 2/4/2021 |
| 279-759 | Rio Linda | 9/17/2020 |
| 279-766 | Meadowview | 7/16/2021 |
| 279-777 | Sacramento North | 1/23/2018 |
| 279-782 | Fair Oaks | 1/7/2022 |
| 279-786 | Sacramento | 9/23/2020 |
| 279-789 | Sacramento | 2/18/2022 |
| 279-790 | Fair Oaks | 11/18/2022 |
| 279-799 | Walnut Grove | 12/4/2020 |
- 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: March 1st, 2025
Cities in area code 279
| City1 | County | Time Zone2 |
|---|---|---|
| Antelope | Sacramento | P |
| Carmichael | Sacramento | P |
| Citrus Heights | Sacramento | P |
| Clarksburg | Yolo | P |
| Courtland | Sacramento | P |
| El Dorado Hills | El Dorado | P |
| Elk Grove | Sacramento | P |
| Elverta | Sacramento | P |
| Fair Oaks | Sacramento | P |
| Folsom | Sacramento | P |
| Granite Bay | Placer | P |
| Hood | Sacramento | P |
| Isleton | Sacramento | P |
| Lincoln | Placer | P |
| Loomis | Placer | P |
| Mather | Sacramento | P |
| McClellan | Sacramento | P |
| Newcastle | Placer | P |
| North Highlands | Sacramento | P |
| Orangevale | Sacramento | P |
| Penryn | Placer | P |
| Rancho Cordova | Sacramento | P |
| Represa | Sacramento | P |
| Rio Linda | Sacramento | P |
| Rocklin | Placer | P |
| Roseville | Placer | P |
| Ryde | Sacramento | P |
| Sacramento | Sacramento | P |
| Sloughhouse | Sacramento | P |
| Walnut Grove | Sacramento | P |
| West Sacramento | Yolo | P |
| Wilton | Sacramento | P |
- Listed above are most places served by USA area code 279. 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 ).