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Area code 469 was introduced on July 1, 1999, in an overlay plan for most of the eastern portion of the Metroplex. At the same time, the 214/972 boundary was "erased," and 972 was converted into an additional overlay for the entire region. The result was three area codes overlaying the same area, with ten-digit dialing required for all calls.
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)
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.
An area code overlay is a numbering plan area ... Overlay area codes Location Notes Added Base 557 314 ... 469, 972: 214:
This page was last edited on 16 December 2020, at 17:14 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The telecommunication services of Mexico are provided by a division of the telephone numbering plan into groups of area codes for the ... 954, 958, 971, 972, 994, 995 ...
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. In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes.
The numbering plan area begins just north and east of the Dallas–Fort Worth metroplex, and extends to the Oklahoma, Arkansas, and Louisiana state borders. Area code 903 was created November 4, 1990 in a split of area code 214. Area code 430 was assigned to the same service area on February 15, 2003 in creation of an overlay. Before October 18 ...