Wire Centers

• ExchangeInfo Plus: Wirecenter boundaries and switch (central office) locations; includes NPA-NXX lookup.
• TeleAtlas/GDT WireCenter Basic: Wirecenter boundaries with ILECs; includes NPA-NXX lookup.
• TeleAtlas/GDT WireCenter Premium: Wirecenter boundaries with ILECs and CLECs; includes NPA-NXX lookup.
• CarrierInfo: Overview information about local and wireless telephone service providers.
• CallingAreaInfo: Maps the local calling plans available to business and residential customers.
• Maponics Telecom Boundaries: Maponics telecom data include rate center boundaries, area code boundaries, LATA boundaries, and central office points.