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List of Maryland area codes. 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. Numbering plan area.
There are 5 active area codes in the state of Maryland. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in Maryland. The first table below shows the most populated cities in Maryland with the area codes listed next to them.
Maryland area code map. Lookup any phone number or cell phone number. Help prevent & stop phone scams. View the complete list of all area codes in Maryland.
Lookup area codes by state. View our Maryland area code information.
Area codes 410, 443, and 667 are telephone area codes in the North American Numbering Plan (NANP) for the eastern half of the U.S. state of Maryland. The numbering plan area (NPA) includes the Baltimore metropolitan area and the Eastern Shore.
Area codes 301, 240, and 227 are telephone area codes in the North American Numbering Plan (NANP) for the western part of the U.S. state of Maryland. The numbering plan area (NPA) comprises Maryland's portion of the Greater Washington, D.C. metro area, portions of southern Maryland, along with rural western Maryland.
Find Maryland area codes by city or lookup which cities belong to an area code.
All phone area codes in the Maryland with major cities covered.
An Interactive Map of All Maryland Area Codes - September 2024.
Maryland Area Codes. Updated August 5, 2020 | Infoplease Staff. Source: North American Numbering Plan Administration. Web: www.nanpa.com . To find phone numbers, area code information, and area code maps, see our White Pages. Maine Area Codes Area Codes: United States, Canada, Caribbean Massachusetts Area Codes. Sources +. Trending.