To browse all area codes, we have a list of all United States area codes by state and area codes by number. The area code list includes a printable copy that you can print and use for reference.

The area codes locator shows the coverage area for each phone number area code. Area code locations are also listed by city next to the area code maps on this page.

The cities listed with each area code are the major cities for that area code; this originated as the city in which the switch computer for that area code is located, but is no longer the case.

Find any United States phone number or browse by area code to lookup owner information and trustworthiness of any phone number.

Browse a complete list of area codes and look up area codes by city, state, or map. Reverse lookup areas codes by phone number and auto-detect your own area code by location.

Simply hover your cursor over any region to see its area code, or click to explore more detailed information like cities served and prefixes. On mobile, pinch to zoom and swipe to move …

Browse our sites area and region codes by state and city to ensure you have the correct information for your calls. Each states page contains a list of the cities within that state and the …

Get the major city, timezone, and current time. Detailed area code listing of all area codes by number or state/province/territory.

Search and browse United States area codes by state, city, county, or number. Get detailed information about area codes including locations, time zones, major cities, and population data.

Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits.