Search results
Results from the WOW.Com Content Network
Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.
800 are used for toll free numbers. 801 numbers used to be for premium-rate telephone numbers (such as 1-900 numbers in the United States) . Nowadays 900 numbers are premium-rate telephone numbers. 900–999: Campeche, Chiapas, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz and Yucatán
In the initial configuration of the nationwide telephone numbering plan designed by AT&T in 1947, [1] the state of Oregon was assigned a single area code, 503. Despite Oregon's growth in the second half of the twentieth century, particularly in the Willamette Valley (Portland and Eugene), this remained so for 48 years, making Oregon one of the largest states by area with a single area code.
Mobile phone numbers are not uniquely different from land-line numbers, and thus follow the same rules for format and area code. Numbers may be ported between landline and mobile . The rarely used non-geographic area code 600 is an exception to this pattern (non-portable, and allows caller-pays-airtime satellite telephony ); some independent ...
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)
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. Due to complaints from exurban residents who were to be put in 706, they were moved back into 404, which makes every new area code added to the metro area run out of numbers sooner.
Area code 916 was one of the first three original area codes established in California in October 1947. It originally covered most of northeastern California, but area code splits have reduced its coverage to the greater Sacramento area. Area code 279 began service in March 2018 to relieve an exhausted supply of telephone numbers in the 916 ...
This is a list of area codes in the Commonwealth of Virginia. 276 — Southwest corner of the state including Bristol, Galax, Martinsville, and Wytheville (September 1, 2001 as split from 540). 434 — South central area including Charlottesville and Lynchburg (June 1, 2001 as split from 804).