Our Area Code Database is a telco data product which provides a list of all active area codes and prefixes (NPA/NXX)*. It includes highly accurate Time Zones and Daylight Saving Time information in an area code database.
*NPA/NXX - NPA is a telecom data code which stands for Numbering Plan Area. It is just the telephone area code. The NXX stands for Exchange or Central Office Code. It is often referred to as an area code prefix.
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