Search results
- 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.
trestleiq.com › knowledge-base › understanding-npa-nxx-and-the-implications-of-number-portabilityUnderstanding NPA-NXX and the Implications of Number Portability
People also ask
What is a NPA NXX lookup?
What is the NPA NXX rate center edition database?
How do I search NPA-NXX?
What does NXX mean in a phone number?
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.
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/prefix search. 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.
Search by NPA and NXX, State and City or by LATA. Select from several options below. KFR's free NPA-NXX lookup is great for checking which area codes and prefixes are assigned to a given rate center, what rate center a particular NPA-NXX is in or what area codes are in a specific state.
Oct 30, 2023 · 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.
NANP telephone numbers are usually rendered as NPA-NXX-XXXX or (NPA) NXX-XXXX. For example, 250 555 0199, a fictional number, could be rendered as 250-555-0199, (250) 555-0199, 250-5550199, or 250/555-0199.
