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Feb 28, 2024 · A typical US phone number consists of a total of 10 digits, which include the area code, exchange code, and line number. If you are calling the US from outside, use the following format: your country’s exit code + 1 + area code + local phone number. Local, toll-free, mobile, vanity, and emergency numbers are the types of US phone numbers.
Apr 8, 2024 · A. Format and structure. Traditional landline phone numbers in the US typically consist of 10 digits. These numbers are structured in three parts: the area code, the central office code, and the local exchange code. For example, in the number (123) 456-7890, the area code is 123, the central office code is 456, and the local exchange code is 7890.
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The different types of US phone numbers include standard landlines, toll-free numbers (prefixed with 800, 855, 877, or 888), premium-rate numbers (prefixed with 900), and mobile phone numbers (which may have different area code assignments depending on the region).
1- (555)-123-4567. The 1+ area code format helps the phone system recognise that the call is long distance and should be routed between exchanges. Some long distance US phone number examples: 1- (212)-555-1212 – Long distance call from California. 1- (404)-123-4567 – Long distance call from New York.
- 205, 251, 256, 334
- 480, 520, 602, 623, 928
- 907
- Area Codes
011 + 1 + Area code + Local number. The 011 tells the phone system this is an international call. The 1 is the country code for the United States. After dialing 011 and 1, you then add the US area code and local number. So for example, to call 555-123-4567 from abroad, you would dial: 011-1-555-123-4567.
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.
May 7, 2024 · XXX is the three-digit area code. YYY is the three-digit central office code (exchange code) ZZZZ is the four-digit local number. In this example: The area code is “555.”. The central office code (exchange code) is “123.”. The local number is “4567.”. Here’s an example of a United States phone number: (555) 123-4567.