Area Code 240
Area Code 240 | |
---|---|
Post Office City: | Waldorf, MD |
County: | Charles County County |
Timezone: | America/New_York |
Coordinates: | -76.9, 38.64 |
Area Code: | 240 |
What is the Area Code?
In the United States, the "Area Code" is a numerical prefix used in phone numbers to identify a specific geographic region within the country. These area codes are part of the telephone numbering system and are essential for the proper routing of calls.
The area code typically consists of three digits and precedes the local phone number. For example, in the phone number (212) 555-1234, "212" is the area code that corresponds to a part of New York City.
Functions of the Area Code:
Geographic Identification: Allows the determination of the region or city from which a call originates. Call Routing: Helps telephone service providers direct calls efficiently through their network. Number Distribution: Facilitates the assignment and organization of phone numbers to avoid conflicts and duplications. Billing: Sometimes, call costs can vary depending on the area code, especially for long-distance calls. In summary, area codes are fundamental to the functioning of the telephone system in the United States, ensuring that calls are connected correctly and managed in an orderly manner.
Cities and counties within 240 Area Code
Here are the cities and towns for Area Code 240 that the US Post Office accepts. The city listed as the main city is usually where the main post office is located. When sending a letter or package, always include your preferred city to ensure your delivery is as successful as possible
Primary City | Aceptable Cities | State | County | ZIP | Area codes | Timezone |
---|---|---|---|---|---|---|
Waldorf | Saint Charles | Maryland(MD) | Charles County | 20602 | 301, 240 | America/New_York |
Waldorf | Saint Charles | Maryland(MD) | Charles County | 20603 | 301, 240 | America/New_York |
Waldorf | Saint Charles | Maryland(MD) | Charles County | 20604 | 240 | America/New_York |
Bel Alton | -- | Maryland(MD) | Charles County | 20611 | 301, 240 | America/New_York |
Brandywine | -- | Maryland(MD) | Prince George s County | 20613 | 301, 240 | America/New_York |
Bryans Road | -- | Maryland(MD) | Charles County | 20616 | 301, 240 | America/New_York |
California | -- | Maryland(MD) | St Mary s County | 20619 | 301, 240 | America/New_York |
Callaway | -- | Maryland(MD) | St Mary s County | 20620 | 301, 240 | America/New_York |
Cheltenham | -- | Maryland(MD) | Prince George s County | 20623 | 301, 240 | America/New_York |
Faulkner | -- | Maryland(MD) | Charles County | 20632 | 301, 240 | America/New_York |
Great Mills | -- | Maryland(MD) | St Mary s County | 20634 | 301, 240 | America/New_York |
Helen | -- | Maryland(MD) | St Mary s County | 20635 | 240 | America/New_York |
Hughesville | -- | Maryland(MD) | Charles County | 20637 | 301, 240 | America/New_York |
Indian Head | Pisgah | Maryland(MD) | Charles County | 20640 | 301, 240 | America/New_York |
Issue | Swan Point | Maryland(MD) | Charles County | 20645 | 202, 301, 240 | America/New_York |
La Plata | Dentsville | Maryland(MD) | Charles County | 20646 | 301, 240 | America/New_York |
Leonardtown | -- | Maryland(MD) | St Mary s County | 20650 | 202, 301, 240 | America/New_York |
Lexington Park | Lexington Pk | Maryland(MD) | St Mary s County | 20653 | 240, 301 | America/New_York |
Mechanicsville | Mechanicsvlle | Maryland(MD) | St Mary s County | 20659 | 240, 301 | America/New_York |
Morganza | -- | Maryland(MD) | St Mary s County | 20660 | 240 | America/New_York |
Nanjemoy | -- | Maryland(MD) | Charles County | 20662 | 301, 240 | America/New_York |
Patuxent River | Patuxent Riv | Maryland(MD) | St Mary s County | 20670 | 301, 240 | America/New_York |
Port Tobacco | -- | Maryland(MD) | Charles County | 20677 | 240, 301 | America/New_York |
Prince Frederick | Dares Beach, Prnc Frederck | Maryland(MD) | Calvert County | 20678 | 240, 410, 301 | America/New_York |
Ridge | -- | Maryland(MD) | St Mary s County | 20680 | 240, 301 | America/New_York |
Rock Point | -- | Maryland(MD) | Charles County | 20682 | 240 | America/New_York |
Southern Md Facility | Sthrn Md Fac | Maryland(MD) | Prince George s County | 20697 | 240 | America/New_York |
Beltsville | -- | Maryland(MD) | Prince George s County | 20704 | 240 | America/New_York |
Lanham | Glenarden, Lanham Seabrook, Seabrook | Maryland(MD) | Prince George s County | 20706 | 301, 410, 240 | America/New_York |
Laurel | -- | Maryland(MD) | Prince George s County | 20707 | 240, 301, 410 | America/New_York |
Laurel | Montpelier | Maryland(MD) | Prince George s County | 20708 | 301, 240, 410, 443 | America/New_York |
Lothian | -- | Maryland(MD) | Anne Arundel County | 20711 | 410, 301, 240 | America/New_York |
Mount Rainier | -- | Maryland(MD) | Prince George s County | 20712 | 240, 301, 202 | America/New_York |
Bowie | -- | Maryland(MD) | Prince George s County | 20719 | 240 | America/New_York |
Bowie | -- | Maryland(MD) | Prince George s County | 20720 | 301, 410, 240 | America/New_York |
Bowie | Mitchellville | Maryland(MD) | Prince George s County | 20721 | 301, 202, 240, 410 | America/New_York |
Brentwood | Colmar Manor, Cottage City, N Brentwood, No Brentwood, North Brentwo, North Brentwood | Maryland(MD) | Prince George s County | 20722 | 301, 240 | America/New_York |
Laurel | Scaggsville | Maryland(MD) | Howard County | 20723 | 240, 301, 410, 443 | America/New_York |
Laurel | Maryland City, Md City, Russett | Maryland(MD) | Anne Arundel County | 20724 | 301, 240, 410, 443 | America/New_York |
Laurel | -- | Maryland(MD) | Prince George s County | 20726 | 240 | America/New_York |
Capitol Heights | Capitol Hgts | Maryland(MD) | Prince George s County | 20731 | 240 | America/New_York |
Clinton | -- | Maryland(MD) | Prince George s County | 20735 | 240, 301, 410 | America/New_York |
Riverdale | Riverdale Park, Riverdale Pk | Maryland(MD) | Prince George s County | 20737 | 301, 202, 240 | America/New_York |
Riverdale | -- | Maryland(MD) | Prince George s County | 20738 | 240 | America/New_York |
College Park | Berwyn Heights, Berwyn Hts | Maryland(MD) | Prince George s County | 20740 | 301, 240, 703, 202 | America/New_York |
Fort Washington | Ft Washington | Maryland(MD) | Prince George s County | 20744 | 301, 240 | America/New_York |
Oxon Hill | Forest Heights, Forest Hts | Maryland(MD) | Prince George s County | 20745 | 301, 240 | America/New_York |
Suitland | Camp Springs, Hillcrest Hgts, Hillcrest Hts, Morningside | Maryland(MD) | Prince George s County | 20746 | 301, 240 | America/New_York |
District Heights | District Hts, Forestville | Maryland(MD) | Prince George s County | 20747 | 240, 301 | America/New_York |
Temple Hills | Camp Springs, Hillcrest Heights, Hillcrest Hts, Marlow Heights, Marlow Hgts | Maryland(MD) | Prince George s County | 20748 | 301, 202, 240 | America/New_York |
Fort Washington | Ft Washington | Maryland(MD) | Prince George s County | 20749 | 240 | America/New_York |
Suitland | -- | Maryland(MD) | Prince George s County | 20752 | 240 | America/New_York |
Temple Hills | -- | Maryland(MD) | Prince George s County | 20757 | 240 | America/New_York |
Andrews Air Force Base | Andrews Afb | Maryland(MD) | Prince George s County | 20762 | 240, 301 | America/New_York |
Savage | -- | Maryland(MD) | Howard County | 20763 | 301, 410, 240, 443 | America/New_York |
Shady Side | -- | Maryland(MD) | Anne Arundel County | 20764 | 301, 410, 240 | America/New_York |
Greenbelt | -- | Maryland(MD) | Prince George s County | 20768 | 240 | America/New_York |
Greenbelt | -- | Maryland(MD) | Prince George s County | 20770 | 301, 240, 410 | America/New_York |
Upper Marlboro | Uppr Marlboro | Maryland(MD) | Prince George s County | 20773 | 240 | America/New_York |
Upper Marlboro | Glenarden, Kettering, Largo, Springdale, Uppr Marlboro, Upr Marlboro | Maryland(MD) | Prince George s County | 20774 | 202, 240, 301, 410 | America/New_York |
Hyattsville | -- | Maryland(MD) | Prince George s County | 20781 | 240, 301 | America/New_York |
Hyattsville | Chillum, University Pa, University Park, W Hyattsville, West Hyattsville | Maryland(MD) | Prince George s County | 20782 | 240, 301, 410, 202 | America/New_York |
Hyattsville | Adelphi | Maryland(MD) | Prince George s County | 20783 | 240, 410, 301, 202, 443 | America/New_York |
Hyattsville | Cheverly, Landover, N Englewood, North Englewood | Maryland(MD) | Prince George s County | 20785 | 240, 301 | America/New_York |
Hyattsville | Langley Park | Maryland(MD) | Prince George s County | 20787 | 240 | America/New_York |
Hyattsville | W Hyattsville | Maryland(MD) | Prince George s County | 20788 | 240 | America/New_York |
Capitol Heights | Capitol Hgts | Maryland(MD) | Prince George s County | 20790 | 240 | America/New_York |
Capitol Heights | Capitol Hgts | Maryland(MD) | Prince George s County | 20791 | 240 | America/New_York |
Upper Marlboro | Largo, Uppr Marlboro | Maryland(MD) | Prince George s County | 20792 | 240 | America/New_York |
Jessup | -- | Maryland(MD) | Howard County | 20794 | 301, 410, 443, 240 | America/New_York |
Southern Md Facility | Sthrn Md Fac | Maryland(MD) | Prince George s County | 20797 | 240 | America/New_York |
Capitol Heights | Capitol Hgts | Maryland(MD) | Prince George s County | 20799 | 240 | America/New_York |
Bethesda | -- | Maryland(MD) | Montgomery County | 20810 | 240 | America/New_York |
Bethesda | -- | Maryland(MD) | Montgomery County | 20811 | 240 | America/New_York |
Bethesda | -- | Maryland(MD) | Montgomery County | 20813 | 240, 301 | America/New_York |
Bethesda | -- | Maryland(MD) | Montgomery County | 20814 | 202, 240, 301 | America/New_York |
Chevy Chase | Bethesda, Chevy Chase Village, Chevy Chs Vlg, Martins Add, Martins Additions, N Chevy Chase, North Chevy Chase | Maryland(MD) | Montgomery County | 20815 | 240, 301 | America/New_York |
Bethesda | -- | Maryland(MD) | Montgomery County | 20816 | 301, 202, 240 | America/New_York |
Bethesda | Westlake | Maryland(MD) | Montgomery County | 20817 | 301, 240, 202 | America/New_York |
Bethesda | -- | Maryland(MD) | Montgomery County | 20824 | 240 | America/New_York |
Chevy Chase | Bethesda | Maryland(MD) | Montgomery County | 20825 | 240 | America/New_York |
Bethesda | W Bethesda, Westlake | Maryland(MD) | Montgomery County | 20827 | 240 | America/New_York |
Poolesville | -- | Maryland(MD) | Montgomery County | 20837 | 301, 240 | America/New_York |
Rockville | -- | Maryland(MD) | Montgomery County | 20847 | 240 | America/New_York |
Rockville | -- | Maryland(MD) | Montgomery County | 20848 | 240 | America/New_York |
Rockville | -- | Maryland(MD) | Montgomery County | 20849 | 240 | America/New_York |
Rockville | -- | Maryland(MD) | Montgomery County | 20850 | 240, 301, 410, 202 | America/New_York |
Rockville | -- | Maryland(MD) | Montgomery County | 20851 | 301, 240 | America/New_York |
Rockville | N Bethesda, North Bethesda | Maryland(MD) | Montgomery County | 20852 | 240, 301, 703 | America/New_York |
Rockville | -- | Maryland(MD) | Montgomery County | 20853 | 301, 240 | America/New_York |
Potomac | Rockville | Maryland(MD) | Montgomery County | 20854 | 240, 301 | America/New_York |
Derwood | Rockville | Maryland(MD) | Montgomery County | 20855 | 301, 240 | America/New_York |
Sandy Spring | -- | Maryland(MD) | Montgomery County | 20860 | 301, 240 | America/New_York |
Ashton | -- | Maryland(MD) | Montgomery County | 20861 | 301, 240 | America/New_York |
Clarksburg | Hyattstown | Maryland(MD) | Montgomery County | 20871 | 301, 240 | America/New_York |
Damascus | -- | Maryland(MD) | Montgomery County | 20872 | 301, 240 | America/New_York |
Germantown | Darnestown | Maryland(MD) | Montgomery County | 20874 | 240, 301 | America/New_York |
Gaithersburg | Montgomery Village, Montgomry Vlg | Maryland(MD) | Montgomery County | 20877 | 301, 240, 202 | America/New_York |
Gaithersburg | Darnestown, N Potomac, No Potomac, North Potomac | Maryland(MD) | Montgomery County | 20878 | 301, 240, 202 | America/New_York |
Gaithersburg | Laytonsville, Montgomery Village, Montgomry Vlg | Maryland(MD) | Montgomery County | 20879 | 301, 240 | America/New_York |
Gaithersburg | Laytonsville | Maryland(MD) | Montgomery County | 20882 | 240, 301 | America/New_York |
Gaithersburg | -- | Maryland(MD) | Montgomery County | 20883 | 240 | America/New_York |
Gaithersburg | -- | Maryland(MD) | Montgomery County | 20884 | 240 | America/New_York |
Gaithersburg | -- | Maryland(MD) | Montgomery County | 20885 | 202, 240 | America/New_York |
Montgomery Village | Gaithersburg, Montgomry Vlg | Maryland(MD) | Montgomery County | 20886 | 240, 301 | America/New_York |
Kensington | -- | Maryland(MD) | Montgomery County | 20891 | 240 | America/New_York |
Bethesda | -- | Maryland(MD) | Montgomery County | 20894 | 240 | America/New_York |
Kensington | -- | Maryland(MD) | Montgomery County | 20895 | 240, 301 | America/New_York |
Suburb Maryland Fac | Subn Md Fac | Maryland(MD) | Montgomery County | 20897 | 240 | America/New_York |
Gaithersburg | -- | Maryland(MD) | Montgomery County | 20898 | 240 | America/New_York |
Gaithersburg | -- | Maryland(MD) | Montgomery County | 20899 | 240 | America/New_York |
Silver Spring | Takoma Park | Maryland(MD) | Montgomery County | 20901 | 301, 240, 410 | America/New_York |
Silver Spring | Wheaton | Maryland(MD) | Montgomery County | 20902 | 301, 240, 410 | America/New_York |
Silver Spring | Colesville | Maryland(MD) | Montgomery County | 20904 | 202, 240, 301, 703, 410 | America/New_York |
Silver Spring | Aspen Hill | Maryland(MD) | Montgomery County | 20906 | 240, 301, 410 | America/New_York |
Silver Spring | -- | Maryland(MD) | Montgomery County | 20908 | 240 | America/New_York |
Silver Spring | -- | Maryland(MD) | Montgomery County | 20910 | 240, 301, 202 | America/New_York |
Silver Spring | -- | Maryland(MD) | Montgomery County | 20911 | 240 | America/New_York |
Takoma Park | Silver Spring | Maryland(MD) | Montgomery County | 20912 | 301, 240 | America/New_York |
Takoma Park | Silver Spring | Maryland(MD) | Montgomery County | 20913 | 240 | America/New_York |
Silver Spring | Colesville | Maryland(MD) | Montgomery County | 20914 | 240 | America/New_York |
Silver Spring | Wheaton | Maryland(MD) | Montgomery County | 20915 | 240 | America/New_York |
Silver Spring | Aspen Hill | Maryland(MD) | Montgomery County | 20916 | 240 | America/New_York |
Silver Spring | -- | Maryland(MD) | Montgomery County | 20918 | 240 | America/New_York |
Silver Spring | -- | Maryland(MD) | Montgomery County | 20993 | 240 | America/New_York |
Silver Spring | -- | Maryland(MD) | Montgomery County | 20997 | 240 | America/New_York |
Columbia | -- | Maryland(MD) | Howard County | 21045 | 301, 410, 443, 240 | America/New_York |
Columbia | -- | Maryland(MD) | Howard County | 21046 | 410, 443, 301, 240 | America/New_York |
Elkridge | -- | Maryland(MD) | Howard County | 21075 | 410, 443, 301, 240 | America/New_York |
Odenton | -- | Maryland(MD) | Anne Arundel County | 21113 | 410, 301, 443, 240 | America/New_York |
Crofton | -- | Maryland(MD) | Anne Arundel County | 21114 | 410, 443, 301, 240 | America/New_York |
Halethorpe | Arbutus, Baltimore, Lansdowne | Maryland(MD) | Baltimore County | 21227 | 410, 443, 240 | America/New_York |
Annapolis | Eastport, Highland Bch | Maryland(MD) | Anne Arundel County | 21403 | 410, 443, 703, 240, 301 | America/New_York |
Cumberland | -- | Maryland(MD) | Allegany County | 21501 | 240 | America/New_York |
Cumberland | Cresaptown, Lavale | Maryland(MD) | Allegany County | 21502 | 301, 240 | America/New_York |
Cumberland | Lavale | Maryland(MD) | Allegany County | 21504 | 240 | America/New_York |
Cumberland | Cresaptown | Maryland(MD) | Allegany County | 21505 | 240 | America/New_York |
Frostburg | -- | Maryland(MD) | Allegany County | 21532 | 301, 240 | America/New_York |
Grantsville | Jennings | Maryland(MD) | Garrett County | 21536 | 301, 240 | America/New_York |
Oakland | Crellin, Deer Park, Hutton, Loch Lyn Hght, Loch Lynn Heights, Mnt Lake Park, Mountain Lake Park, Mt Lake Park, Mtin Lk Park | Maryland(MD) | Garrett County | 21550 | 301, 240 | America/New_York |
Pinto | -- | Maryland(MD) | Allegany County | 21556 | 240 | America/New_York |
Rawlings | -- | Maryland(MD) | Allegany County | 21557 | 301, 240 | America/New_York |
Spring Gap | -- | Maryland(MD) | Mineral County | 21560 | 240 | America/New_York |
Westernport | Mccoole | Maryland(MD) | Allegany County | 21562 | 301, 240 | America/New_York |
Frederick | Lewistown | Maryland(MD) | Frederick County | 21701 | 301, 410, 240 | America/New_York |
Frederick | Fort Detrick | Maryland(MD) | Frederick County | 21702 | 301, 240 | America/New_York |
Frederick | -- | Maryland(MD) | Frederick County | 21703 | 240, 301 | America/New_York |
Frederick | Urbana | Maryland(MD) | Frederick County | 21704 | 240, 301 | America/New_York |
Frederick | -- | Maryland(MD) | Frederick County | 21705 | 240 | America/New_York |
Frederick | -- | Maryland(MD) | Frederick County | 21709 | 240 | America/New_York |
Braddock Heights | Braddock Hts | Maryland(MD) | Frederick County | 21714 | 240 | America/New_York |
Brownsville | -- | Maryland(MD) | Washington County | 21715 | 240 | America/New_York |
Brunswick | -- | Maryland(MD) | Frederick County | 21716 | 301, 240 | America/New_York |
Burkittsville | -- | Maryland(MD) | Frederick County | 21718 | 240 | America/New_York |
Cascade | Fort Ritchie, Highfield | Maryland(MD) | Washington County | 21719 | 301, 240 | America/New_York |
Cavetown | -- | Maryland(MD) | Washington County | 21720 | 240 | America/New_York |
Chewsville | -- | Maryland(MD) | Washington County | 21721 | 240 | America/New_York |
Emmitsburg | -- | Maryland(MD) | Frederick County | 21727 | 301, 240 | America/New_York |
Funkstown | -- | Maryland(MD) | Washington County | 21734 | 240 | America/New_York |
Hagerstown | -- | Maryland(MD) | Washington County | 21740 | 240, 301 | America/New_York |
Hagerstown | -- | Maryland(MD) | Washington County | 21741 | 240 | America/New_York |
Hagerstown | -- | Maryland(MD) | Washington County | 21742 | 301, 240 | America/New_York |
Hagerstown | -- | Maryland(MD) | Washington County | 21746 | 240 | America/New_York |
Hagerstown | -- | Maryland(MD) | Washington County | 21747 | 240 | America/New_York |
Hagerstown | -- | Maryland(MD) | Washington County | 21748 | 240 | America/New_York |
Hagerstown | -- | Maryland(MD) | Washington County | 21749 | 240 | America/New_York |
Hancock | -- | Maryland(MD) | Washington County | 21750 | 301, 240 | America/New_York |
Ijamsville | -- | Maryland(MD) | Frederick County | 21754 | 301, 240 | America/New_York |
Ladiesburg | -- | Maryland(MD) | Frederick County | 21759 | 240 | America/New_York |
Libertytown | -- | Maryland(MD) | Frederick County | 21762 | 301, 240 | America/New_York |
Middletown | -- | Maryland(MD) | Frederick County | 21769 | 301, 240 | America/New_York |
Monrovia | -- | Maryland(MD) | Frederick County | 21770 | 301, 240 | America/New_York |
Mount Airy | -- | Maryland(MD) | Carroll County | 21771 | 301, 443, 410, 240 | America/New_York |
Myersville | -- | Maryland(MD) | Frederick County | 21773 | 304, 301, 240 | America/New_York |
New Market | -- | Maryland(MD) | Frederick County | 21774 | 301, 240 | America/New_York |
New Midway | -- | Maryland(MD) | Frederick County | 21775 | 240 | America/New_York |
Sabillasville | -- | Maryland(MD) | Frederick County | 21780 | 301, 240 | America/New_York |
Saint James | -- | Maryland(MD) | Washington County | 21781 | 240 | America/New_York |
Smithsburg | -- | Maryland(MD) | Washington County | 21783 | 301, 240 | America/New_York |
Thurmont | Graceham | Maryland(MD) | Frederick County | 21788 | 301, 240 | America/New_York |
Unionville | -- | Maryland(MD) | Frederick County | 21792 | 240 | America/New_York |
Walkersville | -- | Maryland(MD) | Frederick County | 21793 | 301, 240 | America/New_York |
Williamsport | -- | Maryland(MD) | Washington County | 21795 | 301, 240 | America/New_York |
Woodsboro | -- | Maryland(MD) | Frederick County | 21798 | 301, 240, 410 | America/New_York |