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- NPA NXX Area Code Database List Directory with Exchanges
NPA NXX Area Code Database List demographics, Directory of Area Codes NPA NXX, Exchanges, CLLi, Lat Lon, Carrier, Landline Cell indicator
- NXX definition (Phone Scoop)
NXX is most commonly used to refer to three-digit code that forms the second part of a 10-digit North American phone number (digits 4-6) This is also known as the "central office code" or "exchange"
- Area Code and Prefix Lookup by Geographic Location
This lookup is used to find the active telephone exchanges, area codes and prefixes or NPA NXX, for any United States or Canadian geographic location
- Local calling guide: NPA-NXX search
Local calling guideEffective date within past or next days Effective date searches are available only for US area codes Our sources for non-US NPA-NXX data do not provide this information If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero
- What do the terms NPA and NXX mean? - Bandwidth Support Center
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 It's often used interchangeably with the area code, which is a three-digit number that identifies the phone service region
- CO Codes Thousands-Blocks | NANPA
CO Codes Thousands-BlocksA Central Office (CO) code or NXX 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 CO codes are also known as an exchange, or prefix, or an NXX A thousands-block refers a range of one
- NXX in the North American Numbering Plan - 123NET
NXX codes remain critical in today’s phone systems, especially for call routing and network management Despite advancements in technology, the basic structure of the NXX within the North American Numbering Plan continues to serve as a geographical identifier in landlines
- NPA-NXX Number Lookup - Phone
NPA-NXX refers to a system of telephone number formats used in the United States, Canada, and other parts of North America under the North American Numbering Plan (NANP)
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