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In 1947, Georgia was a single numbering plan area (NPA) with area code 404. In 1954, 912 was assigned to its southern and central areas. The state operated with two area codes until May 3, 1992, when area code 706 was created for the two separate areas outside of the metro Atlanta area.
Area code 404 is a telephone area code in the North American Numbering Plan (NANP) for Atlanta, Georgia and its closest suburbs. This comprises roughly the area encircled by Interstate 285 . It is an enclave area code, surrounded by area code 770 , which serves most of Atlanta's suburbs.
List of Georgia area codes; 0–9. Area code 229; Area code 404; Area code 478; Area codes 678, 470, and 943; Area codes 706 and 762; Area code 770; Area code 912
Numbering plan areas and area codes of Texas (tan). This is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: [1] 210: San Antonio area; overlays with 726 (November 1, 1992) 214: Dallas area, overlays with 469, 972, and 945 (October 1947)
An area code overlay is a numbering plan area ... Texas: 470, 678: 404, 770: Atlanta metropolitan area, Georgia: 474: 306:
On September 2, 2001, area code 470, was added to the 678 overlay area of area codes 404 and 770. [1] Telephone numbers from the NPA were assigned after exhaustion of area code 678. In October of 2020, the Georgia Public Service Commission approved the creation of a new overlay area code after NANPA exhaustion analyses projected shortfall of ...
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.
Area codes 404 / 678/470/943 inside the perimeter 770 / 678/470/943 outside the perimeter The Athens-Clarke County Metropolitan Statistical Area , as defined by the United States Census Bureau , is an area consisting of four counties - Clarke , Madison , Oconee , and Oglethorpe - in northeastern Georgia , anchored by the city of Athens .