- Area code 470
Area code 470 is a
telephone area codeserving the state of Georgia. It covers metro Atlantaand overlays with area codes 404, 678, and 770. It was introduced on March 28, 2001 to provide additional numbers to the metropolitan Atlanta area. [cite web|url=http://www.nanpa.com/pdf/pl-nanp-269.pdf|title=Planning Letter 269: NPA 470 To Overlay NPAs 404, 678, and 770|date=2001-03-28|publisher=North American Numbering Plan Administration|accessdate=2008-08-28]
As of 2008, the area code was active and assignable [cite web|url=http://www.nanpa.com/nas/public/npa_query_step2.do?method=displayNpa&npaReportModel.nasNpaId=470|title=NPA Query for Area Code 470|publisher=North American Numbering Plan Administration|accessdate=2008-08-28] but not yet utilized, [cite web|url=http://www.nanpa.com/nas/public/plannedNpasNotInServiceReport.do?method=displayPlannedNpasNotInServiceReport|title=Planned NPAs Not Yet in Service|publisher=North American Numbering Plan Administration|accessdate=2008-08-28] and the routing test number 470-666-7777 was removed from service.
Whether this lack of utilization is due to lack of need or possible confusion with 404 and 770 is unknown. Because of Atlanta's expansive local calling area with three active area codes,
Atlantansoften use a shorthand for area codes based on the first digit ("4" for 404, "6" for 678, and "7" for 770), which would make 470 (starting with "4" like 404, but otherwise similar to 770) difficult to incorporate.
List of NANP area codes
North American Numbering Plan
* [http://www.nanpa.com/area_code_maps/display.html?ga NANPA Area Code Map of Georgia]
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