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Jun 23, 2024 · The US phone number format consists of 10 digits. They include a 3-digit area code, a 3-digit exchange code, and a 4-digit subscriber number.
US Phone Number Format with Country Code: +1 (XXX) XXX-XXXX Example: +1 (555) 123-4567. Talk to an expert. Table of Content. Introduction. In today’s interconnected world, phone numbers serve as a vital link for communication.
- 203, 475, 860, 959
- 339, 351, 413, 508, 617, 774, 781, 857, 978
- 207, 207
- Area Codes
Each telephone is assigned a seven-digit telephone number unique only within its respective numbering plan area. The telephone number consists of a three-digit central office (or exchange) code and a four-digit station number.
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 North American Numbering Plan (NANP) is a telephone numbering plan that serves 20 North American countries and exists to simplify and facilitat...
- The NANP mainly covers the US and its territories, Canada, and some Caribbean countries.
- All North American countries included in the North American Numbering Plan are assigned the country code (+1), including the US and Canada.
- An example of a North American phone number is +1(469) 123-4567. It uses the format: +1 (area code) xxx-xxxx.
The US uses a 10 digit phone numbering plan – area code + local number. Long distance calls require 1 before the number. Toll free numbers start with 800, 833, 844 etc. 011 is the US country code when calling from abroad. Major cities got the original low number area codes.
- 907
- 303, 719, 720, 970
- 480, 520, 602, 623, 928
- 808
This site provides information about the North American Numbering Plan (NANP) and its administration. The NANP is the numbering plan for the Public Switched Telephone Network for Canada, the US and its territories, and some Caribbean countries. Transition to 10-Digit dialing for 988 More Information NANPA Web Guide NANPA Help Desk.
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What is an area code & a telephone number?
The NANP also assigns a unique seven-digit telephone number to every telephone line in a given NPA. This telephone number consists of a three-digit central office (CO) code, commonly known as the prefix, and a four-digit station number.
