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The blue area is assigned area codes 301, 240, and 227; the red area is area codes 410, 443 and 667 The state of Maryland is served by the following area codes: Area codes
The three area codes are overlay codes for one numbering plan area, among which 410 was the initial area code for the NPA, when it was split from area code 301 in 1991. 443 and 667 found assignment primarily in cellular service and for competitive local exchange carriers, such as Comcast and Cavalier Telephone, when introduced, but have since ...
Area code 301 was the first area code for all of Maryland, from 1947, when the area code system was created, until 1991, when everything from Baltimore eastward split off as area code 410. In 1997, area code 240 was added as an overlay area code for the 301 territory. On June 14, 2023, a third overlay code, 227, was added to provide more ...
The Federal Information Processing Standard (FIPS) code, which is used by the United States government to uniquely identify states and counties, is provided with each entry. [10] Maryland's code is 24, which when combined with any county code would be written as 24XXX. [11] [12] The FIPS code for each county links to census data for that county.
The Maryland portion of the region is sometimes called the Maryland-National Capital Region by local authorities but rarely by the general public. [15] [16] Composition. Satellite photo of the Washington metropolitan area Washington area viewed at night from the International Space Station Map highlighting labor patterns of regional counties
Maryland's congressional districts since 2023 Maryland is divided into eight congressional districts , each represented by a member of the United States House of Representatives . After the 2020 census , the number of Maryland 's seats remained unchanged, giving evidence of stable population growth relative to the United States at large.
Area code 202 was one of the original North American area codes established in October 1947 by AT&T. After the State of New Jersey with area code 201, the District of Columbia was the second numbering plan area (NPA). Area code 771 was added as a second area code to the numbering plan area in April 2021 to create an all-services overlay complex.
Greensboro is a town located on the banks of the Choptank River in Caroline County, Maryland, United States. The population was 1,931 at the 2010 United States Census. The ZIP code is 21639. The primary phone exchange is 482 and the area code is 410. The town is served by Maryland Routes 480 and 313.