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North American Telephone Area Code and Prefix Location Database, Platinum Plus Rate Center Edition. Full rate center information with V&H coordinates. 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, Time Zone, 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.
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