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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
Toggle Area codes in numerical order subsection ... 1.7 800–899. 1.8 900–999. 2 Area codes by country, state ... a 304-932 exchange area code + exchange number in ...
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 ...
More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers. The good news is that scam callers will often show up under common area codes for ...
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 was 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 ...
An area code of three digits dialed after the country code determines the area served in the United States and its territories, Canada, and much of the Caribbean. Zone 2 uses two 2-digit codes (20, 27) and eight sets of 3-digit codes (21x–26x, 28x, 29x), mostly to serve Africa , but also Aruba , Faroe Islands , Greenland and British Indian ...
Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union. Original North American area codes; List of North American Numbering Plan area codes; Telephone numbers in Mexico; Telephone numbers in Greenland
Area code Year Current region 212: 1947 New York City: Manhattan only; component of 212/332/646 and 917 overlays 315: 1947 Syracuse, Utica, Watertown, and north central New York; component of 315/680 overlay 329: 2023: Poughkeepsie, Middletown, Newburgh, West Point, Goshen and southeastern New York; component of 845/329 overlay 332: 2017