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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
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 ...
By the fall of 1990, it was apparent that Maryland needed another area code. In November 1990, a plan for a second area code, 410, was announced, that would be assigned to the Baltimore metropolitan area and the Eastern Shore, while western and southern Maryland, including the Washington suburbs, would retain area code 301. [2]
List of Maryland area codes; 0–9. Area codes 301, 240, and 227; Area codes 410, 443, and 667
Code Territory or use Date Notes 300: not in use; available for non-geographic assignment easily recognizable code (ERC) 301: Maryland (Silver Spring; Washington, D.C., suburbs; all counties which touch the Potomac River; Waldorf, Hagerstown, Frederick, Rockville, Cumberland; and land line telephones in western Maryland)
To find out the 25 poorest and richest area codes, GOBankingRates used the 2015 Census Community Survey, the most recent data available, to rank cities across the nation in order of mean household ...
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.
ZIP code: 21215. Area code: 410, 443, and 667: Arlington is a neighborhood in Northwest Baltimore, Maryland. Major streets running through the area include Wabash ...