North American Telephone Area Code and Prefix Location Database, Gold Edition. 1,000 block level NPA/NXX assignments with basic geographic latitude and longitude associations for the United States, Canada and most of the Caribbean.

This data includes NPA-NXX-X Thousands Block Pooling Assignments, Numbering Plan Area (NPA) assignments with area code overlay/split cross reference, Local Access and Transport Area (LATA) assignments, Operating Company Numbers (OCNs), associated Company Names, switch CLLI code.