The North American Numbering Plan ( NANP) is a telephone numbering plan for World Zone 1, which comprises twenty-five distinct regions in twenty countries primarily in North America, including the Caribbean. Some North American countries, most notably Mexico, do not participate in the NANP. The NANP was originally devised in the 1940s by AT&T ...
North American Numbering Plan. The North American Numbering Plan ( NANP) is a telephone numbering plan. It includes 24 countries and territories, including the United States, Canada, Bermuda, and 17 nations of the Caribbean. There are three-digit area codes and seven-digit telephone numbers.
Pages in category "North American Numbering Plan" The following 22 pages are in this category, out of 22 total. This list may not reflect recent changes ().
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This is a list of North American telephone area codes in effect for the North American Numbering Plan (NANP). The area to which an area code is officially assigned is known as a Numbering Plan Area (NPA). An area code is part of a telephone number in the United States, Canada, and the Caribbean.
- Assignment of NANP toll-free telephone numbers
In the United States of America, Canada, and other countries participating in the North American Numbering Plan, a toll-free telephone number has one of the area codes 800, 833, 844, 855, 866, 877, and 888. Area code 822 is expected to be used in the future, followed by 880 through 887, then 889. However, 811 is reserved as a three-digit number for various other purposes. In addition, 899 is reserved as a member of the series x9x for future numbering plan expansion. Calls to these numbers are fr
Most of the United States and all of Canada uses a flat-rate structure for local calls, which incur no per-call cost to residential subscribers. As regulators in North America had long allowed long-distance calling to be priced artificially high in return for artificially low rates for local service, subscribers tended to make toll calls rarely and to keep them deliberately brief. Some businesses, eager to sell their products to buyers outside the local calling area, were willing to accept colle
The original 800-code operated for over thirty years before its 7.8 million possible numbers were depleted, but new toll-free area codes are being depleted at an increasing rate both by more widespread use of the numbers by voice-over-IP, pocket pagers, residential, and small business use, and widespread abuse by RespOrgs and subscribers who stockpile the numbers for use in misdial marketing, response tracking for individual advertisements or sale, lease or shared use. Brokering numbers for sale
Toll-free telephone numbers in the NANP are regulated by the Code of Federal Regulations Part 52 Section 101. RespOrgs assign the numbers in the SMS/800 database. SMS/800, Inc. administers this database as the Number Administration and Service Center, as a subcontractor for the Federal Communications Commission.