Area Code 227
Area code 227 is in Maryland, USA , spanning 11 counties and serving 180 cities, including Germantown, Waldorf or Bethesda; it currently uses 85 prefixes, assigned from 227-200-XXXX through 227-999-XXXX.
In service since June 14, 2023, area code 227 is an overlay Numbering Plan Area, part of overlay complex 301/240/227.
The current local time is .
For exact NPA boundaries see official 227 area code map
Phone number lookup
More Maryland area codes:
Locate any 227-NXX prefix:
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 227-200 | Washington Zone 02 | 08/04/2023 |
| 227-201 | Myersville | 08/04/2023 |
| 227-202 | Washington Zone 10 | 08/04/2023 |
| 227-203 | Frederick | 08/15/2023 |
| 227-204 | Washington Zone 10 | 08/31/2023 |
| 227-205 | Washington Zone 4 | 08/31/2023 |
| 227-206 | Washington Zone 5 | 08/31/2023 |
| 227-207 | Bittinger | 09/01/2023 |
| 227-208 | Flintstone | 09/01/2023 |
| 227-209 | Grantsville | 09/01/2023 |
| 227-210 | Mccoole | 09/01/2023 |
| 227-212 | Westernport | 09/01/2023 |
| 227-213 | Ashton | 09/06/2023 |
| 227-214 | Myersville | 09/11/2023 |
| 227-215 | Laurel | 09/20/2023 |
| 227-216 | Washington Zone 10 | 09/20/2023 |
| 227-217 | Myersville | 10/12/2023 |
| 227-218 | Washington Zone 14 | 10/19/2023 |
| 227-219 | Ashton | 10/25/2023 |
| 227-220 | Waldorf | 11/03/2023 |
| 227-221 | Smithsburg | 11/21/2023 |
| 227-222 | Washington Zone 16 | 10/17/2023 |
| 227-223 | Frederick | 11/21/2023 |
| 227-224 | Washington Zone 2 | 12/22/2023 |
| 227-225 | Laurel | 12/27/2023 |
| 227-226 | Frederick | 01/29/2024 |
| 227-227 | Gaithersburg | 01/29/2024 |
| 227-228 | Washington Zone 2 | 01/29/2024 |
| 227-229 | Washington Zone 4 | 01/29/2024 |
| 227-230 | Washington Zone 5 | 01/29/2024 |
| 227-231 | Washington Zone 6 | 01/29/2024 |
| 227-232 | Laurel | 02/02/2024 |
| 227-233 | Washington Zone 2 | 02/08/2024 |
| 227-234 | Leonardtown | 03/08/2024 |
| 227-235 | Hughesville | 03/13/2024 |
| 227-236 | Washington Zone 10 | 03/18/2024 |
| 227-237 | Myersville | 04/12/2024 |
| 227-238 | Washington Zone 14 | 04/17/2024 |
| 227-239 | Hagerstown | 05/20/2024 |
| 227-240 | Washington Zone 11 | 05/20/2024 |
| 227-241 | Washington Zone 10 | 05/23/2024 |
| 227-242 | Middletown | 06/05/2024 |
| 227-243 | Ashton | 06/12/2024 |
| 227-244 | Ridge | 05/28/2024 |
| 227-245 | Gaithersburg | 06/13/2024 |
| 227-246 | Washington Zone 5 | 06/20/2024 |
| 227-247 | Thurmont | 06/24/2024 |
| 227-248 | Washington Zone 2 | 07/03/2024 |
| 227-249 | Washington Zone 4 | 07/11/2024 |
| 227-250 | Washington Zone 10 | 07/31/2024 |
| 227-251 | Washington Zone 10 | 09/18/2024 |
| 227-252 | Myersville | 09/24/2024 |
| 227-253 | Frederick | 09/26/2024 |
| 227-254 | Washington Zone 10 | 10/11/2024 |
| 227-255 | Washington Zone 5 | 10/03/2024 |
| 227-256 | Washington Zone 2 | 10/14/2024 |
| 227-257 | Washington Zone 14 | 10/14/2024 |
| 227-258 | Gaithersburg | 10/18/2024 |
| 227-259 | Laurel | 11/11/2024 |
| 227-260 | Washington Zone 15 | 11/20/2024 |
| 227-261 | Washington Zone 2 | 11/27/2024 |
| 227-262 | Myersville | 12/02/2024 |
| 227-263 | Waldorf | 12/05/2024 |
| 227-264 | Washington Zone 10 | 12/10/2024 |
| 227-265 | Washington Zone 3 | 12/16/2024 |
| 227-266 | Washington Zone 2 | 12/19/2024 |
| 227-267 | Myersville | 12/20/2024 |
| 227-268 | Laurel | 01/08/2025 |
| 227-269 | Washington Zone 5 | 01/08/2025 |
| 227-270 | Mount Airy | 01/10/2025 |
| 227-271 | Washington Zone 10 | 01/14/2025 |
| 227-272 | Oakland | 02/06/2025 |
| 227-273 | Washington Zone 10 | 02/20/2025 |
| 227-334 | Keedysville | 10/22/2024 |
| 227-368 | Mechanicsville | 08/17/2023 |
| 227-722 | Waldorf | 04/23/2024 |
| 227-727 | Washington Zone 6 | 11/06/2024 |
| 227-770 | Washington Zone 11 | 11/06/2024 |
| 227-772 | Washington Zone 4 | 11/06/2024 |
| 227-777 | Ashton | 07/27/2023 |
| 227-800 | Frederick | 11/06/2024 |
| 227-888 | Washington Zone 15 | 09/18/2023 |
| 227-997 | Washington Zone 2 | 02/05/2025 |
| 227-998 | Washington Zone 2 | 10/08/2024 |
| 227-999 | Washington Zone 10 | 10/11/2023 |
- 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: March 1st, 2025
Cities in area code 227
| City1 | County | Time Zone2 |
|---|---|---|
| Abell | St Marys | E |
| Accident | Garrett | E |
| Accokeek | Prince George's | E |
| Adamstown | Frederick | E |
| Andrews Afb | Prince George's | E |
| Aquasco | Prince George's | E |
| Ashton | Montgomery | E |
| Avenue | St Marys | E |
| Barnesville | Montgomery | E |
| Barton | Allegany | E |
| Beallsville | Montgomery | E |
| Bel Alton | Charles | E |
| Beltsville | Prince George's | E |
| Benedict | Charles | E |
| Bethesda | Montgomery | E |
| Big Pool | Washington | E |
| Bittinger | Garrett | E |
| Bladensburg | Prince George's | E |
| Bloomington | Garrett | E |
| Boonsboro | Washington | E |
| Bowie | Prince George's | E |
| Boyds | Montgomery | E |
| Braddock Heights | Frederick | E |
| Brandywine | Prince George's | E |
| Brentwood | Prince George's | E |
| Brinklow | Montgomery | E |
| Brookeville | Montgomery | E |
| Brownsville | Washington | E |
| Brunswick | Frederick | E |
| Bryans Road | Charles | E |
| Bryantown | Charles | E |
| Buckeystown | Frederick | E |
| Burkittsville | Frederick | E |
| Burtonsville | Montgomery | E |
| Bushwood | St Marys | E |
| Cabin John | Montgomery | E |
| California | St Marys | E |
| Callaway | St Marys | E |
| Capitol Heights | Prince George's | E |
| Cascade | Washington | E |
| Cavetown | Washington | E |
| Chaptico | St Marys | E |
| Charlotte Hall | St Marys | E |
| Cheltenham | Prince George's | E |
| Chevy Chase | Montgomery | E |
| Chewsville | Washington | E |
| Clarksburg | Montgomery | E |
| Clear Spring | Washington | E |
| Clements | St Marys | E |
| Clinton | Prince George's | E |
| Cobb Island | Charles | E |
| College Park | Prince George's | E |
| Coltons Point | St Marys | E |
| Compton | St Marys | E |
| Corriganville | Allegany | E |
| Cumberland | Allegany | E |
| Damascus | Montgomery | E |
| Dameron | St Marys | E |
| Derwood | Montgomery | E |
| Dickerson | Montgomery | E |
| District Heights | Prince George's | E |
| Drayden | St Marys | E |
| Eckhart Mines | Allegany | E |
| Ellerslie | Allegany | E |
| Emmitsburg | Frederick | E |
| Fairplay | Washington | E |
| Faulkner | Charles | E |
| Flintstone | Allegany | E |
| Fort Washington | Prince George's | E |
| Frederick | Frederick | E |
| Friendship | Anne Arundel | E |
| Friendsville | Garrett | E |
| Frostburg | Allegany | E |
| Funkstown | Washington | E |
| Gaithersburg | Montgomery | E |
| Garrett Park | Montgomery | E |
| Germantown | Montgomery | E |
| Glen Echo | Montgomery | E |
| Glenn Dale | Prince George's | E |
| Grantsville | Garrett | E |
| Great Mills | St Marys | E |
| Greenbelt | Prince George's | E |
| Hagerstown | Washington | E |
| Hancock | Washington | E |
| Helen | St Marys | E |
| Highland | Howard | E |
| Hollywood | St Marys | E |
| Hughesville | Charles | E |
| Hyattsville | Prince George's | E |
| Ijamsville | Frederick | E |
| Indian Head | Charles | E |
| Ironsides | Charles | E |
| Issue | Charles | E |
| Jefferson | Frederick | E |
| Keedysville | Washington | E |
| Kensington | Montgomery | E |
| Kitzmiller | Garrett | E |
| Knoxville | Frederick | E |
| La Plata | Charles | E |
| Ladiesburg | Frederick | E |
| Lanham | Prince George's | E |
| Laurel | Anne Arundel | E |
| Leonardtown | St Marys | E |
| Lexington Park | St Marys | E |
| Libertytown | Frederick | E |
| Little Orleans | Allegany | E |
| Lonaconing | Allegany | E |
| Loveville | St Marys | E |
| Luke | Allegany | E |
| Marbury | Charles | E |
| Maugansville | Washington | E |
| Mc Henry | Garrett | E |
| Mechanicsville | St Marys | E |
| Middletown | Frederick | E |
| Midland | Allegany | E |
| Midlothian | Allegany | E |
| Monrovia | Frederick | E |
| Montgomery Village | Montgomery | E |
| Morganza | St Marys | E |
| Mount Airy | Frederick | E |
| Mount Rainier | Prince George's | E |
| Mount Savage | Allegany | E |
| Mount Victoria | Charles | E |
| Myersville | Frederick | E |
| Nanjemoy | Charles | E |
| New Market | Frederick | E |
| New Midway | Frederick | E |
| Newburg | Charles | E |
| Oakland | Garrett | E |
| Oldtown | Allegany | E |
| Olney | Montgomery | E |
| Owings | Calvert | E |
| Oxon Hill | Prince George's | E |
| Park Hall | St Marys | E |
| Patuxent River | St Marys | E |
| Piney Point | St Marys | E |
| Pinto | Allegany | E |
| Point Of Rocks | Frederick | E |
| Pomfret | Charles | E |
| Poolesville | Montgomery | E |
| Port Tobacco | Charles | E |
| Potomac | Montgomery | E |
| Rawlings | Allegany | E |
| Ridge | St Marys | E |
| Riverdale | Prince George's | E |
| Rock Point | Charles | E |
| Rockville | Montgomery | E |
| Rocky Ridge | Frederick | E |
| Rohrersville | Washington | E |
| Sabillasville | Frederick | E |
| Sandy Spring | Montgomery | E |
| Scotland | St Marys | E |
| Sharpsburg | Washington | E |
| Silver Spring | Montgomery | E |
| Smithsburg | Washington | E |
| Southern MD Facility | Prince George's | E |
| Spencerville | Montgomery | E |
| Spring Gap | Allegany | E |
| St Inigoes | St Marys | E |
| St James | Washington | E |
| St Marys City | St Marys | E |
| Suburb Maryland Fac | Montgomery | E |
| Suitland | Prince George's | E |
| Swanton | Garrett | E |
| Takoma Park | Montgomery | E |
| Tall Timbers | St Marys | E |
| Temple Hills | Prince George's | E |
| Thurmont | Frederick | E |
| Tuscarora | Frederick | E |
| Unionville | Frederick | E |
| Upper Marlboro | Prince George's | E |
| Valley Lee | St Marys | E |
| Waldorf | Charles | E |
| Walkersville | Frederick | E |
| Washington Grove | Montgomery | E |
| Welcome | Charles | E |
| Westernport | Allegany | E |
| White Plains | Charles | E |
| Williamsport | Washington | E |
| Woodsboro | Frederick | E |
- Listed above are most places served by USA area code 227. 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 ).