- 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.