NPA NXX Databases
North American Telephone Area Codes and Local Exchange Prefixes
Current Release: March 3, 2010
Mid-Atlantic Wire Center Locations
These data sets include the telecom geography required to give you a total picture of the entire North American Public Switched Telephone Network.
The data you need to identify all active NPA NXX combinations, where the local exchanges and their serving wire centers or central offices are located. Determine what LATA a rate center is in, what time zone is it in, who the carrier is and more.
These products contain well researched, cross-referenced telecom industry data, collected and compiled from first-hand data sources. They are delivered in ASCII text, CSV format and will require basic data processing knowledge to use them effectively.
