Area Code Profile
227, MD
Browse ZIP codes and key stats for 227, Maryland: population, households, income, education, health coverage, and more.
Area Code details
Local time 01:39:42(ET)| Location | 227, MD |
|---|---|
| Population (ZIP areas) | 3,004,304(sum of local ZIP code populations) |
| Total ZIP codes | 214total |
| ZIP codes (by type) | 190 Standard17 PO Box7 Unique |
| Overlay codes | |
| Cities Covered | |
| Counties Covered |
Map of area code 227
ZIP codes in area code 227
214 ZIP codes covered by this area code.
Cities served by area code 227
181 cities covered by this area code.
| City | ZIP codes | Median incomeHousehold | Population |
|---|---|---|---|
| Columbia | 3 | $131,490 | 104,681 |
| Germantown | 3 | $117,546 | 91,249 |
| Waldorf | 4 | $116,089 | 81,410 |
| Silver Spring | 16 | $99,860 | 81,015 |
| Frederick | 6 | $97,069 | 78,171 |
| Gaithersburg | 9 | $112,467 | 69,657 |
| Bethesda | 11 | $192,237 | 68,056 |
| Rockville | 8 | $128,649 | 67,117 |
| Bowie | 7 | $141,995 | 58,329 |
| Potomac | 2 | $236,675 | 47,018 |
| Hagerstown | 6 | $52,221 | 43,527 |
| Odenton | 1 | $128,441 | 42,947 |
| Clinton | 1 | $124,803 | 38,760 |
| Olney | 2 | $171,458 | 35,820 |
| Montgomery Village | 1 | $95,348 | 34,893 |
| College Park | 3 | $69,721 | 34,740 |
| Laurel | 7 | $100,504 | 30,060 |
| Clarksburg | 1 | $176,678 | 29,051 |
| Suitland | 2 | $71,585 | 25,839 |
| Greenbelt | 3 | $85,997 | 24,921 |
| Riverdale | 2 | — | 24,555 |
| Fort Washington | 2 | $143,333 | 24,261 |
| Hyattsville | 7 | $91,941 | 21,187 |
| Beltsville | 2 | $99,642 | 20,133 |
| Cumberland | 5 | $48,162 | 19,076 |
| Oxon Hill | 2 | $93,252 | 18,791 |
| Takoma Park | 2 | $108,136 | 17,629 |
| Damascus | 1 | $158,883 | 17,224 |
| Glenn Dale | 1 | $134,333 | 14,698 |
| Accokeek | 1 | $150,815 | 13,927 |
| White Plains | 1 | — | 13,318 |
| Lexington Park | 1 | $94,799 | 13,317 |
| California | 1 | $119,855 | 12,947 |
| Clarksville | 1 | — | 12,919 |
| Lanham | 2 | $103,556 | 11,282 |
| Hollywood | 1 | — | 10,615 |
| Brandywine | 1 | $157,587 | 10,550 |
| La Plata | 1 | $121,208 | 10,159 |
| Bladensburg | 1 | $63,179 | 9,657 |
| Mount Airy | 1 | $151,324 | 9,654 |
| Boyds | 1 | — | 9,538 |
| Burtonsville | 1 | $134,276 | 9,498 |
| Bryans Road | 1 | $118,361 | 8,650 |
| Temple Hills | 2 | $66,841 | 8,350 |
| Mount Rainier | 1 | $68,505 | 8,333 |
| Brunswick | 1 | $118,025 | 7,762 |
| Savage | 1 | $116,895 | 7,542 |
| Ijamsville | 1 | — | 7,115 |
| Frostburg | 1 | $52,977 | 7,027 |
| Great Mills | 1 | — | 6,984 |
| Thurmont | 1 | $98,125 | 6,213 |
| Walkersville | 1 | $130,893 | 6,156 |
| District Heights | 2 | $86,955 | 5,959 |
| Fulton | 1 | $222,039 | 5,916 |
| Poolesville | 1 | $205,919 | 5,742 |
| Middletown | 1 | $173,333 | 4,943 |
| Knoxville | 1 | — | 4,809 |
| Saint James | 1 | $97,361 | 4,757 |
| Leonardtown | 1 | $153,819 | 4,563 |
| Capitol Heights | 5 | $97,155 | 4,050 |
| Indian Head | 1 | $89,063 | 3,894 |
| Brentwood | 1 | $69,572 | 3,828 |
| Boonsboro | 1 | $95,956 | 3,799 |
| Maugansville | 1 | $79,019 | 3,669 |
| Braddock Heights | 1 | $124,000 | 3,075 |
| Ashton | 1 | — | 3,067 |
| Andrews Air Force Base | 1 | — | 3,002 |
| Smithsburg | 1 | $100,673 | 2,977 |
| Newburg | 1 | — | 2,940 |
| Chevy Chase | 2 | $250,001 | 2,904 |
| Keymar | 1 | — | 2,870 |
| Cheltenham | 1 | — | 2,846 |
| Emmitsburg | 1 | $81,250 | 2,770 |
| Monrovia | 1 | $207,153 | 2,702 |
| Jefferson | 1 | $150,854 | 2,697 |
| Nanjemoy | 1 | — | 2,564 |
| Derwood | 1 | $118,194 | 2,535 |
| Cabin John | 1 | $250,001 | 2,459 |
| Hughesville | 1 | $106,250 | 2,438 |
| Dunkirk | 1 | $149,271 | 2,431 |
| Adamstown | 1 | $195,625 | 2,331 |
| Dayton | 1 | — | 2,307 |
| Owings | 1 | $176,378 | 2,141 |
| Kensington | 2 | $152,284 | 2,122 |
| Williamsport | 1 | $61,607 | 2,083 |
| Sandy Spring | 1 | — | 2,079 |
| Dickerson | 1 | — | 2,021 |
| Point of Rocks | 1 | $159,708 | 1,886 |
| Oakland | 1 | $53,289 | 1,851 |
| Spencerville | 1 | $189,766 | 1,812 |
| Westernport | 1 | $47,688 | 1,812 |
| Callaway | 1 | $160,341 | 1,779 |
| Myersville | 1 | $149,726 | 1,748 |
| Mechanicsville | 1 | $120,966 | 1,673 |
| Mc Henry | 1 | — | 1,626 |
| Hancock | 1 | $34,886 | 1,557 |
| New Market | 1 | $202,872 | 1,525 |
| Cavetown | 1 | $108,677 | 1,446 |
| Charlotte Hall | 1 | $84,271 | 1,388 |
| Cascade | 1 | — | 1,230 |
| Patuxent River | 1 | — | 1,226 |
| Chaptico | 1 | — | 1,214 |
| Keedysville | 1 | $149,545 | 1,213 |
| Annapolis Junction | 1 | — | 1,195 |
| Saint Inigoes | 1 | — | 1,193 |
| Rocky Ridge | 1 | — | 1,145 |
| Clements | 1 | — | 1,138 |
| Highland | 1 | $250,001 | 1,133 |
| Bel Alton | 1 | — | 1,100 |
| Woodsboro | 1 | $116,964 | 1,092 |
| Avenue | 1 | — | 1,076 |
| Bushwood | 1 | — | 1,073 |
| Buckeystown | 1 | $133,611 | 1,072 |
| Welcome | 1 | — | 1,067 |
| Lonaconing | 1 | $54,250 | 1,001 |
| Garrett Park | 1 | $250,001 | 996 |
| Libertytown | 1 | $113,865 | 984 |
| Piney Point | 1 | $129,018 | 980 |
| Saint Marys City | 1 | — | 977 |
| Grantsville | 1 | $38,512 | 968 |
| Marbury | 1 | — | 968 |
| Ridge | 1 | — | 944 |
| Union Bridge | 1 | $76,250 | 936 |
| Cobb Island | 1 | — | 929 |
| Aquasco | 1 | $55,658 | 913 |
| Eckhart Mines | 1 | $64,100 | 858 |
| Funkstown | 1 | $61,392 | 852 |
| Issue | 1 | — | 769 |
| Valley Lee | 1 | — | 738 |
| Mount Savage | 1 | $51,691 | 733 |
| Rawlings | 1 | $68,229 | 687 |
| Bryantown | 1 | $104,271 | 653 |
| Upper Marlboro | 5 | $116,875 | 652 |
| Ellerslie | 1 | $37,240 | 651 |
| Dameron | 1 | — | 599 |
| Drayden | 1 | — | 586 |
| Sharpsburg | 1 | $71,500 | 560 |
| Faulkner | 1 | — | 538 |
| Fairplay | 1 | $120,652 | 537 |
| Pomfret | 1 | $118,914 | 514 |
| Washington Grove | 1 | $134,583 | 505 |
| Midland | 1 | $63,906 | 488 |
| Park Hall | 1 | — | 471 |
| Sabillasville | 1 | — | 470 |
| Barton | 1 | $50,972 | 464 |
| Brinklow | 1 | — | 453 |
| Tall Timbers | 1 | $195,982 | 451 |
| Friendsville | 1 | $46,053 | 438 |
| Corriganville | 1 | $76,023 | 421 |
| Coltons Point | 1 | — | 403 |
| Friendship | 1 | $154,792 | 384 |
| Clear Spring | 1 | $47,375 | 372 |
| Midlothian | 1 | — | 352 |
| Accident | 1 | $58,929 | 338 |
| Scotland | 1 | — | 304 |
| Kitzmiller | 1 | $55,500 | 300 |
| Glen Echo | 1 | $213,750 | 279 |
| Bloomington | 1 | $59,063 | 271 |
| Chewsville | 1 | $87,115 | 261 |
| Abell | 1 | — | 251 |
| Benedict | 1 | $41,118 | 232 |
| Beallsville | 1 | — | 176 |
| Rohrersville | 1 | — | 175 |
| Flintstone | 1 | — | 167 |
| Brookeville | 1 | $165,625 | 166 |
| Barnesville | 1 | $231,250 | 144 |
| Burkittsville | 1 | $93,250 | 142 |
| Oldtown | 1 | — | 116 |
| Morganza | 1 | — | 107 |
| Loveville | 1 | — | 106 |
| Brownsville | 1 | — | 102 |
| Tuscarora | 1 | — | 93 |
| Luke | 1 | $81,250 | 85 |
| Rock Point | 1 | — | 82 |
| Big Pool | 1 | — | 78 |
| Swanton | 1 | — | 66 |
| Little Orleans | 1 | — | 65 |
| Spring Gap | 1 | — | 52 |
| Port Tobacco | 1 | — | 18 |
| Bittinger | 1 | — | — |
| Mount Victoria | 1 | — | — |
Counties served by area code 227
12 counties covered by this area code.
| County | ZIP codes | Median incomeHousehold | Population |
|---|---|---|---|
| Montgomery County | 76 | $132,450 | 1,062,061 |
| Prince George's County | 64 | $101,798 | 967,201 |
| Anne Arundel County | 41 | $124,911 | 588,261 |
| Howard County | 21 | $149,763 | 332,317 |
| Frederick County | 28 | $122,002 | 271,717 |
| Carroll County | 10 | $118,211 | 172,891 |
| Charles County | 23 | $122,816 | 166,617 |
| Washington County | 23 | $77,747 | 154,705 |
| St. Mary's County | 27 | $119,446 | 113,777 |
| Calvert County | 13 | $133,922 | 92,783 |
| Allegany County | 23 | $59,603 | 68,106 |
| Garrett County | 9 | $67,688 | 28,806 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS