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By 2011, the 410/443 area was once again running out of numbers because of the continued proliferation of cell phones. To spare residents another number change to a new area code, a third overlay code, area code 667, was implemented on March 24, 2012. [5] This had the effect of assigning 24 million numbers to just over four million people.
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 codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
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 ...
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 ...
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 409; Area code 410; Area codes 410, 443, and 667; Area code 412; Area code 413; Area code 414; Area codes 415 and 628; Area code 417; Area codes 419 and 567; Area code 423; Area code 425; Area code 430; Area code 432; Area code 434; Area code 435; Area codes 440 and 436; Area codes 760 and 442; Area code 443; Area code 445; Area code ...
NANP members are assigned three-digit numbering plan area (NPA) codes under the common country code 1, shown in the format 1 (NPA). 1 North American Numbering Plan; 1 – United States, including United States territories: 1 (340) – United States Virgin Islands; 1 (670) – Northern Mariana Islands; 1 (671) – Guam; 1 (684) – American Samoa