NANPA : North American Numbering Plan Administration

What's New

6/19: Planning Letter 509 - NPA 820 to Overlay NPA 805 (California)

6/12: CO Code Activity Status Report

6/5: May 2017 FGB and FGD CIC Activity Report

5/26: Planning Letter 508 - NPA 640 to Overlay NPA 609 (New Jersey)

Your feedback is important. Neustar, Inc., the NANP Administrator, sponsors this site. We welcome your comments and feedback about the website or questions concerning NANPA and number administration.

For NAS Login, Password and support issues only, please contact the NAS Customer Support Desk at 1-866-623-2282 or via email at nanpa-login@team.neustar. Outside Canada and the US, click here.

NANPA: North American Numbering Plan Administration
This site provides information about the North American Numbering Plan (NANP) and its administration. The NANP is the numbering plan for the Public Switched Telephone Network for Canada, the US and its territories, and some Caribbean countries.

NANPA Fast Track

Area Code Map

NANPA Web Guide

Can't find what you are looking for? NANPA.com is a wealth of information... and to first-time visitors, may seem overwhelming. To help you find the information you need, please read the NANPA Web Guide.