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The number of area codes in the U.S. changes from time to time. At the time of this writing, there are approximately 335 US area codes. These include 317 geographic area codes on top of 18 non-geographic area codes. The North American Numbering Plan, or NANP, assigns all area codes. Area code numbers and denominations are subject to change.
On January 1, 1947, the first North American area codes were issued in regions where standard 7 digit dialing codes were scheduled to be exhaused the soonest. By adding a 3 digit prefix to a 7 digit local number, this allowed for hundreds of millons of new phone numbers to be issued.
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The list above includes all area codes. Most are located in the United States. However, many are in Canada, the Caribbean, and the Pacific. The original 86 that were created in 1947 covered most of the US and Canada, but the numbering system has expanded over the years.
There are 446 area codes in the world: 353 in the US, 52 in Canada, 20 non-geographic, and 21 others. Most of the other area codes are in the Caribbean. However, some are located in the Pacific including 670 (Northern Mariana Islands), 671 (Guam), and 684 (American Samoa). California is the state with the most area codes at 37 followed by Texas ...
All phone area codes in the US grouped by state. ... There are 333 area codes in the United States across 50 states Alabama: 205, 251, 256, 334, 659, 938: Alaska: 907:
262, 274, 353, 414, 534, 608, 715, 920. Wyoming. 307. Toll Free Numbers. 800, 833, 844, 855, 866, 877, 888. The United States uses more than 325 area codes which are assigned to specific geographic areas and fifteen other area codes that are not assigned to a geographic area. A few states have only one area code such as Alaska, Delaware, Hawaii ...
Area codes locator. The North American Numbering Plan (NANP) divides the territories of North America into Numbering Plan Areas (NPAs), which are encoded numerically with a three-digit telephone number prefix, commonly called the area code. There are 383 area codes in the North America across United States, Canada.
