HomeWhat do the fields on the TCA LNP forms mean?
Question

What do the fields on the TCA LNP forms mean?

Answer

  • NPA = Area Code
  • NXX = Exchange or the next 3 digits of the telephone number
  • Number = the last 4 digits of the telephone number
  • Thru is optional. Use the field if you are porting a range of numbers (consecutive only).
  • Is this number RETURNING to your SPID? Yes/No = Answer “Yes” if a number that you originally owned is being ported back to you. Answer “No” if have never owned the number on the request.
  • New Service Provider (NSP) = the name of the entity receiving the telephone number
  • SPID (NSP) = the alpha-numeric identifier of the New Service Provider (i.e. 6006, 023B)
  • Old Service Provider (OSP) = the name of the entity releasing the telephone number
  • SPID (NSP) = the alpha-numeric identifier of the Old Service Provider (i.e. 6006, 023B)
  • NSP-LRN = your Location Routing Number
  • LIDB-DPC = Line Information Database number
  • CNAM-DPC = Calling Name Database number