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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:
Old Town is an area of East Baltimore, Maryland, mostly in zip code 21202, [2] bounded roughly by the Jones Falls Expressway (JFX) on the west, Orleans Street to the south, Caroline Street to the east and Monument Street to the north. [3] One of the area's main features is the Old Town Mall. [4] The Baltimore riot of 1968 occurred here. The ...
ZIP code: 21202. Area code: 410, 443, and 667: ... Public housing replaced many of the former rowhouses and townhouses throughout the area, though a historical ...
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 ...
California's 40th area code; 838: New York (Albany, Schenectady, Plattsburgh, Saranac Lake, Lake George, Westport, and most of northeastern New York) September 19, 2017: overlaid on 518; 839: South Carolina (Columbia, Rock Hill, Sumter, Aiken, and most of central South Carolina) May 26, 2020: overlaid on 803 [19] 840
In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes. The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state ...
Numbering plan areas in California (blue) and border states. This map is clickable; click on any region shown to visit the page for those area codes.Area codes 408 and 669 are shown in red. Area codes 408 and 669 are telephone area codes in the North American Numbering Plan (NANP) in the U.S. state of California.
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 ...