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Area codes 530 and 837 are telephone area codes in the North American Numbering Plan (NANP) in northeastern and Northern California. 530 was created in 1997 in an area code split of 916 and 837 was added to the same numbering plan area as an overlay in 2025.
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, respectively. [ 1 ] In 1949, Oakland, CA, received the fifth regional dial switching center for Operator Toll Dialing in the nation, [ 2 ] which set the stage for ...
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.
The current area code is “in high demand” and is expected to be depleted by September 2025. A new area code is coming to Northern California. Who gets access to the new phone numbers?
Area code 501; Area code 502; Area codes 503 and 971; Area code 504; Area code 505; Area codes 507 and 924; Area codes 508 and 774; Area code 509; Area codes 510 and 341; Area codes 512 and 737; Area codes 513 and 283; Area code 515; Area codes 516 and 363; Area code 517; Area codes 518 and 838; Area code 520; Area codes 530 and 837; Area codes ...
Area code 302 is a telephone area code in the North American Numbering Plan ... 837 Newark: New Castle: February 4, 1994 838 Middletown: New Castle: October 11, 1997
Numbering plan areas and area codes of Texas with numbering plan area 281/346/713/832 highlighted. Area codes 713, 281, 832, 346, and 621 are telephone area codes in the North American Numbering Plan (NANP) forming an overlay complex for Houston, Texas and its environs. Area code 713 is one of the original four area codes established for Texas ...
Area code 847 exhausted its numbers quickly, so that an overlay area code, 224, was implemented in 1996 for relief. However, mandatory ten-digit dialing was not in effect until 2002. In March 2007, an overlay plan was created for NPA 630 adding area code 331, and 779 was added to 815. With the depletion of new numbers in area codes 312 and 773 ...