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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.
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:
Lookup area code information for BALTIMORE, MD. Get the NPA NXX (area code and prefix) as well as much more data for BALTIMORE, MD.
List of all area codes in Baltimore, MD. Baltimore, MD area code map, list, and phone lookup.
Area Code 443 is located in Maryland. It covers 96 cities, including Baltimore, Columbia, Ellicott City, Glen Burnie, and Dundalk. It also covers 17 counties, including Baltimore City County, Baltimore County, Anne Arundel County, Harford County, and Howard County.
Area Code 667 is located in Maryland. It covers 112 cities, including Baltimore, Columbia, Ellicott City, Glen Burnie, and Towson. It also covers 17 counties, including Baltimore City County, Baltimore County, Harford County, Anne Arundel County, and Wicomico County.
Area codes list for the United States, state Maryland, Baltimore. Reverse phone lookup, search by area code or region. Local time and map of Baltimore.
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.
Area code 443 serves the state of Maryland. This area code was assigned on June 21st, 1996. On June 1st, 1997 it went into service. 443 is a General Purpose Code. 443 service area does overlap with 410 667 area codes.
Get a full list of Maryland area codes. Check out the area’s map, the current time, and area codes listed by city.