|
- What do the terms NPA and NXX mean? | Bandwidth Help Center
What is NXX? NXX, also known as the Central Office Code or Exchange, is a three-digit code that forms the second part of a 10-digit phone number For example: In the phone number 555-101-1234, the NXX is 101
- 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
- CO Codes Thousands-Blocks | NANPA
A 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
- North American Numbering Plan - Wikipedia
The NPA -part of the number has the formal format NXX, since 1995 identical to the format of central office codes The Government of Canada's Translation Bureau also recommends using hyphens between groups; e g 250-555-0199
- 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
- NXX in the North American Numbering Plan - 123NET
At its core, the NXX is a three-digit sequence that forms the second part of a standard 10-digit telephone number, following the area code This sequence is crucial for identifying specific geographic regions or central offices within a larger area code zone
- NALENND North American Local Exchange NPA NXX Area Code Database
Enter any United States, Canadian, or Caribbean telephone number, including area code, to look up details about the exchange NALENND, the North American Local Exchange NPA NXX Database, complete coverage of the North American Numbering Plan and the public switched telephone network
- Understanding NXX Prefixes: Integral Components of North American . . .
NXX prefixes are a fundamental aspect of the North American Numbering Plan (NANP), which is used throughout the United States, Canada, and parts of the Caribbean
|
|
|