How Do You Look up an Area Code Prefix?


Quick Answer

Look up an area code prefix by visiting a database website such as AllAreaCodes and entering a city and state into the search box at the top of the page. Users can also look up the location of a given area code by entering a full telephone number.

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Full Answer

Look up the associated location for a given area code prefix or telephone number by typing it into the Area Code Lookup search box at the top of the AllAreaCodes home page and clicking the red Search button. The search result includes the city, state, county and time zone associated with the area code. For full telephone numbers, the result may also include the associated telephone's carrier and whether the number is a landline or cellphone number.

To browse a full list of area code prefixes, visit the Local Calling Guide website online. Use the links at the top of the page, and select the link for the number range for the area code prefix you wish to look up. For instance, to look up the 646 area code, click the link that reads "600-699." The table lists all area codes next to the associated state, province or territory. It also lists other area code prefixes for the same area.

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