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: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 908

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-908 A Allen TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-908 0 Allen TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-908 1 Allen TX ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
972-908 2 Allen TX ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
972-908 3 Allen TX ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
972-908 4 Allen TX ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
972-908 5 Allen TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-908 6 Allen TX ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
972-908 7 Allen TX DLLSTXTLDS7  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-908 8 Allen TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-908 9 Allen TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.