Area Code Database
NPA - NXX Area Code Database
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What is an Area Code Database?
Our Area Code Database is set of all U.S. area code data put into row and column format for easy use and manipulation. We give you so many fields of data that you can manipulate the data virtually any way you want. It is great for data validation, rate center lookups, line type lookups, etc.
† Due to the Number Portability Act, users can keep their telephone number when switching providers. They can move to any ZIP Code in the United States with the same NPA/NXX. Over time the connection between ZIP Code and Area Code has become less meaningful. In many cases there is no correlation at all and thus should not be relied upon any longer, in our opinion. We leave the ZIP Codes in the data for reference only, but not all ZIP Codes are represented.
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