Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 945 [Rate centres in NPA 945] [Dial plan for NPA 945]

NXX: 339

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-339 A Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 0 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 1 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 2 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 3 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 4 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 5 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 6 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 7 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 8 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   
945-339 9 Frisco TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2024-06-07   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.