After Rate Center and Exchange Info are downloaded and installed to your hard drive, Users can bring a Telcom address in MapInfo Pro and verify if the address falls within or outside the Telecom Boundary .
See Screenshot attached for example. Have a question? Ask Me!
We also have an #API for this! It's called GeoComm. It returns NPA/NXX, LATA, OCN and Ranges based on Address or Lat/Long inputs.