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Country calling codes, country dial-in codes, international subscriber dialing (ISD) codes, or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
Telephone numbers in the People's Republic of China are administered according to the Telecommunications Network Numbering Plan of China. The structure of telephone numbers for landlines and mobile service is different. Landline telephone numbers have area codes, whereas mobile numbers do not.
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. A numbering plan area with multiple area codes is called an overlay .
Find the area code for any phone number or city in the US and Canada. Search by state, country, or map, or browse the detailed list of all area codes.
Find the area code for any state in the United States of America. The web page lists the area codes for each state and provides a map of the North American Numbering Plan.
18 sie 2024 · Find area codes for any address, city or place in the U.S. and Canada using this interactive map tool. See area code maps, labels, radius, line or shape selection, and other layers such as counties, cities and ZIP codes.
AreaCode.org lists US and Canada telephone area codes for reverse area code lookup. Find area code list, area code maps, and cities within an area code.
