Area Code 771
Area code 771 is in District of Columbia, USA , spanning 1 county and serving 1 cities, including Washington, it currently uses 66 prefixes, assigned from 771-200-XXXX through 771-999-XXXX.
In service since November 09, 2021, area code 771 is an overlay Numbering Plan Area, part of overlay complex 202/771.
The current local time is .
For exact NPA boundaries see official 771 area code map
Phone number lookup
More District of Columbia area codes:
Locate any 771-NXX prefix:
| NPANXX | Area Served1 | Date1 |
|---|---|---|
| 771-200 | Washington Zone 1 | 1/10/2022 |
| 771-201 | Washington Zone 1 | 1/12/2022 |
| 771-202 | Washington Zone 1 | 02/15/2023 |
| 771-203 | Washington Zone 1 | 1/28/2022 |
| 771-204 | Washington Zone 1 | 3/23/2022 |
| 771-205 | Washington Zone 1 | 3/23/2022 |
| 771-206 | Washington Zone 1 | 3/23/2022 |
| 771-207 | Washington Zone 1 | 3/23/2022 |
| 771-208 | Washington Zone 1 | 3/23/2022 |
| 771-209 | Washington Zone 1 | 3/24/2022 |
| 771-210 | Washington Zone 1 | 3/24/2022 |
| 771-212 | Washington Zone 1 | 6/23/2022 |
| 771-213 | Washington Zone 1 | 6/29/2022 |
| 771-214 | Washington Zone 1 | 7/8/2022 |
| 771-215 | Washington Zone 1 | 8/30/2022 |
| 771-216 | Washington Zone 1 | 10/4/2022 |
| 771-217 | Washington Zone 1 | 10/11/2022 |
| 771-218 | Washington Zone 1 | 10/31/2022 |
| 771-219 | Washington Zone 1 | 11/15/2022 |
| 771-220 | Washington Zone 1 | 01/04/2023 |
| 771-221 | Washington Zone 1 | 01/11/2023 |
| 771-222 | Washington Zone 1 | 3/29/2022 |
| 771-223 | Washington Zone 1 | 03/06/2023 |
| 771-224 | Washington Zone 1 | 03/15/2023 |
| 771-225 | Washington Zone 1 | 04/06/2023 |
| 771-226 | Washington Zone 1 | 04/06/2023 |
| 771-227 | Washington Zone 1 | 04/06/2023 |
| 771-228 | Washington Zone 1 | 04/06/2023 |
| 771-229 | Washington Zone 1 | 04/10/2023 |
| 771-230 | Washington Zone 1 | 04/06/2023 |
| 771-231 | Washington Zone 1 | 04/06/2023 |
| 771-232 | Washington Zone 1 | 05/16/2023 |
| 771-233 | Washington Zone 1 | 05/31/2023 |
| 771-234 | Washington Zone 1 | 10/24/2023 |
| 771-235 | Washington Zone 1 | 10/24/2023 |
| 771-236 | Washington Zone 1 | 10/24/2023 |
| 771-237 | Washington Zone 1 | 10/24/2023 |
| 771-238 | Washington Zone 1 | 10/24/2023 |
| 771-239 | Washington Zone 1 | 10/24/2023 |
| 771-240 | Washington Zone 1 | 10/24/2023 |
| 771-241 | Washington Zone 1 | 01/03/2024 |
| 771-242 | Washington Zone 1 | 01/10/2024 |
| 771-243 | Washington Zone 1 | 05/16/2024 |
| 771-244 | Washington Zone 1 | 06/18/2024 |
| 771-245 | Washington Zone 1 | 07/11/2024 |
| 771-246 | Washington Zone 1 | 10/15/2024 |
| 771-247 | Washington Zone 1 | 11/14/2024 |
| 771-248 | Washington Zone 1 | 11/15/2024 |
| 771-249 | Washington Zone 1 | 12/16/2024 |
| 771-250 | Washington Zone 1 | 01/29/2025 |
| 771-251 | Washington Zone 1 | 03/13/2025 |
| 771-252 | Washington Zone 1 | 03/25/2025 |
| 771-324 | Washington Zone 1 | 03/24/2023 |
| 771-325 | Washington Zone 1 | 03/24/2023 |
| 771-326 | Washington Zone 1 | 03/24/2023 |
| 771-327 | Washington Zone 1 | 03/24/2023 |
| 771-328 | Washington Zone 1 | 03/24/2023 |
| 771-333 | Washington Zone 1 | 3/23/2022 |
| 771-444 | Washington Zone 1 | 5/10/2022 |
| 771-474 | Washington Zone 1 | 02/23/2024 |
| 771-717 | Washington Zone 1 | 1/6/2022 |
| 771-771 | Washington Zone 1 | 09/19/2024 |
| 771-772 | Washington Zone 1 | 10/10/2022 |
| 771-777 | Washington Zone 1 | 11/8/2021 |
| 771-888 | Washington Zone 1 | 11/9/2021 |
| 771-999 | Washington Zone 1 | 3/3/2022 |
- 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.
- NXX prefixes last updated: June 3, 2025
Cities in area code 771
| City1 | County | Time Zone1 |
|---|---|---|
| Washington | District Of Columbia | E |
- Listed above are most places served by USA area code 771. 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.
- E stands for Eastern Time (currently ).