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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 37 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 01:13:33 PM (Eastern Time Zone).

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Map of area code 227

More Maryland area codes

227 area code prefix location

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
227-368 Mechanicsville 08/17/2023
227-777 Ashton 07/27/2023
227-888 Washington Zone 15 09/18/2023
227-999 Washington Zone 10 10/11/2023
  1. 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.
  2. Assignment date.
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Cities in area code 227

City1 County Time2
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
  1. 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.
  2. E stands for Eastern Time Zone (currently 01:13:33 PM).
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