What is my central office code?

What is my central office code?

A central office code is the group of three digits (NXX) in the ten-digit NANP area address, NPA-NXX-XXXX i.e. a national telephone number, that follows the three-digit area code (NPA). It is the leading component of the seven-digit local telephone number.

What is a office code number?

Central office codes, also known as exchanges, prefixes, or simply NXXs, are digits 4, 5 and 6 of a ten-digit geographic NANP telephone number. NANPA assigns central office codes to state-authorized local service providers using industry-developed guidelines and federal directives.

What is the lowest area code?

212
The smallest area code, 212, belongs to — no surprise — New York City. Mance doesn’t stock a lot of 212 area codes, because they’re hard to get.

What is NANP?

The North American Numbering Plan (NANP) is an integrated telephone numbering plan serving 20 North American countries that share its resources.

How many digits are in a central office code?

Central office codes, also known as exchanges, prefixes, or simply NXXs, are digits 4, 5 and 6 of a ten-digit geographic NANP telephone number.

How are central office codes assigned in NANPA?

Central office codes, also known as exchanges, prefixes, or simply NXXs, are digits 4, 5 and 6 of a ten-digit geographic NANP telephone number. NANPA assigns central office codes to state-authorized local service providers using industry-developed guidelines and federal directives.

How to apply for a central office code?

To apply for a central office code assignment, log into the NANP Administration System and complete the Part 1 form. NANPA has prepared a job aid to assist applicants for central office code assignments.

What does central office code utilized report mean?

Central Office Code Utilized Report – Provides an up-to-date list of central office codes assigned or unavailable for assignment by NPA. Updated real-time.