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What is NPA & NXX?
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NXX often denoted NPA: 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
1-800-425-1169. Area Code Lookup - NPA NXX. 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.
Home. North American NPA NXX Lookup. Central Office Details From NPA NXX. 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.
Find all NPA NXX used in geographic area. This lookup uses the North American NPA NXX Rate Center Edition Database to determine the telephone exchange Rate Centers, area codes (NPA), and prefixes (NXX) used in the area surrounding any United States, Canadian, or Caribbean location.
Oct 30, 2023 · What do the terms NPA and NXX mean? Follow. Suzanna Reid. Updated 6 months ago. What the Terms "NPA" and "NXX" Mean. Watch on. NPA and NXX are standard industry terms that you may hear thrown around a lot when ordering or porting phone numbers. What is NPA? NPA stands for Numbering Plan Area.
The area code designates a numbering plan area (NPA) which is a geographic division of the numbering plan's entire service area, based principally on the boundaries of U.S. states, Canadian provinces, and smaller countries and territories.
Numbering Resources. Central Office (CO) Code. A Central Office (CO) code or NXX code refers to the second three digits (also called digits D-E-F) of a ten-digit telephone number in the form of NPA-NXX-XXXX, where N represents any one of the numbers 2 through 9 and X represents any one of the numbers 0 through 9.
