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Area codes 813 and 656 are area codes in the North American Numbering Plan for the U.S. state of Florida in the city of Tampa, Florida, and its surrounding areas, such as Zephyrhills and Oldsmar. In 2022, due to exhaustion of central office prefixes, area code 656 was added to the service area forming an overlay complex .
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 1950, the boundaries of the numbering plan area were redrawn to produce a division of the northern and central parts along a north–south ...
In 1988, area code 407 was introduced for the Orlando area. [1] In 1995, area code 954 was introduced for Broward County. In 1996, area code 239 was introduced for southwest Florida and area code 352 for the areas around Gainesville and Ocala. Many new area codes were introduced in the first two decades of the 21st century, as a result of city ...
In 1998, Pinellas County and the western part of Pasco County were split into area code 727. 727 was going to be introduced in an overlay plan , to overlay 813. At the time, overlays were a new concept and since overlays result in mixing area codes within the same area (issuing the new code to new numbers) requiring 10-digit dialing, they were ...
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.
Numbering plan areas in California (blue) and border states. This map is clickable; click on any region shown to visit the page for those area codes.Area codes 657 and 714 are shown in red. Area codes 714 and 657 are telephone area codes in the North American Numbering Plan (NANP) for the southern part of the U.S. state of California.
Numbering plan areas in California (blue) and border states. This map is clickable; click on any region shown to visit the page for those area codes.
Area code 239; Area codes 305, 786, and 645; Area code 321; Area code 352; Area code 386; Area codes 407 and 689; Area codes 561 and 728; Area code 727; Area code 728; Area codes 954 and 754; Area code 772; Area codes 813 and 656; Area codes 850 and 448; Area code 863; Area codes 904 and 324; Area code 941