Search results
A broad division is commonly recognized between closed and open numbering plans. A closed numbering plan, as found in North America, features fixed-length area codes and local numbers, while an open numbering plan has a variance in the length of the area code, local number, or both of a telephone number assigned to a subscriber line. The latter ...
Numbering plan area code The first NXX block is the numbering plan area code. When the second and third digits are the same, the code is an easily recognizable code (ERC). ERCs designate special services; e.g., 800 for toll-free service. The NANP is not assigning area codes with 9 as the second digit.
- 1
- 011
- +1 NXX NXX-XXXX
People also ask
What is a numbering plan area code?
What is a numbering plan area (NPA)?
What is an area code & a telephone number?
What is a prefix in a numbering plan?
Dec 28, 2020 · NANP phone numbers are assigned the country code (1) by the International Telecommunications Union ( ITU ). NANP numbers are ten-digits long. This includes a three-digit Numbering Plan Area (NPA) code — an area code followed by a seven-digit local number or subscriber number. The format is usually represented as: +1 NXX-NXX-XXXX.
- What is the North American Numbering Plan?The North American Numbering Plan (NANP) is a telephone numbering plan that serves 20 North American countries and exists to simplify and facilitat...
- What Countries Use the North American Numbering Plan?The NANP mainly covers the US and its territories, Canada, and some Caribbean countries.
- Why do the US and Canada Have the Same Country Code?All North American countries included in the North American Numbering Plan are assigned the country code (+1), including the US and Canada.
- What is a North American Phone Number Example?An example of a North American phone number is +1(469) 123-4567. It uses the format: +1 (area code) xxx-xxxx.
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. It is the part of the telephone number after the county code. For example, in the number 1-562-555-5555, the 1 is the country code (for the United States), and ...
A numbering plan area with multiple area codes is called an overlay. 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. Area codes with two identical trailing digits are easily recognizable codes (ERC).
CodeTerritory Or UseDate200not in use; available for non-geographic ...easily recognizable code (ERC)New Jersey ( Bergen County and Hudson ...19471947Southwestern Connecticut ( Bridgeport, ...1947- 368, 403, 568, 587, 780, 825
- 204, 431, 584
- 236, 250, 257, 604, 672, 778
- 428, 506
The area served by the NANP is divided into smaller Numbering Plan Areas (NPAs), each identified by a three-digit NPA code, commonly called an area code. For quick information about a specific area code, use the area code search. You can also find the area code for a city or town with population greater than 20,000. The site also provides area ...
Dec 5, 2017 · For example, California initially got the area codes 916, 415, and 213. Los Angeles, of course, got the area code which required the fewest number of clicks on the analog dial. Chicago, likewise ...
