What is NPA NXX lookup?

What is NPA NXX lookup?

This lookup uses the NALENND® North American Local Exchange NPA NXX Database™ – Rate Center Edition to find the telephone exchange Rate Centers, area codes (NPA), and prefixes (NXX) used in the area surrounding any United States, Canadian, or Caribbean location.

What is an NXX code?

NXX Code or “central office code” means the fourth, fifth, and sixth digits in a 10-digit telephone number. This term also means a group of 10,000 sequential telephone num- bers, which all share the same fourth, fifth, and sixth digits. The NXX code denotes the exchange area within an area code.

How do I find a rate center for a phone number?

A rate center can be found by finding the NPA – NXX of a phone number. What does this even mean, you ask? For example: (858) 922-1234: 858 is an area code assigned in California.

What does NPA NXX mean?

Related Definitions NPA-NXX means as follows: “NPA” means numbering plan area, which is the area code for a telephone number. “NXX” refers to the first three digits of a telephone number, which identify the specific telephone company central office that serves that number.

What is the NXX of a phone number?

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.

Is NPA an area code?

NPA (Number Planning Area/Number Plan Area/Numbering Plan Area), also known simply as an Area Code, is the three-digit number that identifies the telephone service region. For example, if you have the phone number 555-101-1234, the NPA would be 555.

What are the 3 parts of a phone number?

Phone numbers in the United States typically consist of 11 digits — the 1-digit country code, a 3-digit area code and a 7-digit telephone number. The 7-digit telephone number is further comprised of a 3-digit central office or exchange code and a 4-digit subscriber number.