To find information on a specific area code, use the area code lookup that makes it easy to find an area code by number and gives detailed information including city/state, timezone, and area code maps.

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.

Find information on each area code, including coverage area, local dialing instructions, area code map and list of cities within each telephone area code. Other relevant telephone area codes information is …

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.

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.

To faciltiate the millions of phone users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas.

This Area Code page features a list of North American Telephone Area Codes, sorted by Area Code.

List of all area codes in the United States listed by state. Area code lookup for every state, city, and area code in the US.

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

Search 366 area codes across all 50 US states. Instant lookup by area code, city, or state with time zones and city directories.