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This lookup uses the North American NPA NXX Wire Center Edition Database and supplemental data to find the Wire Center, Rate Center, locality, LATA, carrier, and other details associated with any United States or Canadian NPA NXX combination. This lookup is used to find the geographic location, rate center, wire center, and carrier information ...
- Area Code and Prefix
This lookup uses the North American NPA NXX Rate Center...
- NPA NXX to ZIP Code
Enter a 10-digit United States telephone number or a 5-digit...
- Area Code and Prefix
Lookup any area code by area code, prefix, city, state, zip code, county or any of the fields shown above. Only one field needs to be entered but you can filter the results by entering information in additional fields. Area Code Lookup. Search by NPA NXX, ZIP Code, City, State, or any other of our data fields.
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What is a NPA code?
NPA-NXX is a term representing the first six digits of a phone number within the North American Numbering Plan (NANP). The NANP is comprised of 25 regions in 20 countries across North America. Numbering plan areas (NPAs), more commonly known as area codes, are three-digit prefixes that identify telephone service regions by geographic location ...
Feb 28, 2024 · The first three digits of a local seven-digit telephone number. Assigned to a specific switch in a central office. Together, the NPA-NXX denotes the original carrier and central office switch assigned to a particular number. Historically, NPA-NXX combinations provided a reliable way to determine the carrier and approximate location of a number.
1. International access. 011. List of dialing codes. The North American Numbering Plan ( NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably ...
