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Area code 403 is a telephone area code in the North American Numbering Plan (NANP) for the Canadian province of Alberta. The numbering plan area encompasses the southern third of the province, which includes the Calgary area. This numbering plan area is also served by area codes 587, 825, and 368, which form a complex overlay for all of Alberta.
2 Area codes by country, state, province, and regions. ... overlaid on 403, 780, and 587/825; 568 reserved as a fifth area code for the region. 369:
The northern two thirds of Alberta, including Edmonton, received area code 780, while leaving 403 to serve Calgary and southern Alberta. The projected exhaust dates for area codes 403 and 780 were March and October 2009, respectively. In 1997, two area codes, 587 and 825, were reserved by Bellcore for Alberta. [1]
An area code overlay is a numbering plan area (NPA) in the North American Numbering Plan (NANP) that has multiple area codes assigned. ... 403, 780: Alberta: 628: 415:
NPA Year Current region 212: 1947 New York City: Manhattan only; overlays with 332, 646, and 917 : 315: 1947 Syracuse, Utica, Watertown, and north central New York; overlaid by 680.
To find the richest area codes, the top-three highest mean incomes per area code were averaged to come up with the mean income for the entire area code. To find the poorest area codes, the bottom ...
Quick Take: List of Scam Area Codes. More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers.
When the original North American area codes were introduced for a nationwide telephone numbering plan in 1947, the entire state was a single numbering plan area (NPA) with area code 305. In 1953, area code 813 was introduced for the western coast of Florida, and 904 was assigned for northern Florida in 1965. In 1988, area code 407 was ...