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.

Roanoke, TX

<< 1 2 3 4

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-837 2 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-837 3 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-837 4 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-837 5 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2013-04-25   
817-837 6 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-837 7 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-837 8 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-837 9 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-859 A DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-859 0 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-07-17   
817-859 1 DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-859 2 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-07-17   
817-859 3 DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-859 4 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-07-17   
817-859 5 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2018-07-02   
817-859 6 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-08-20   
817-859 7 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-08-20   
817-859 8 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-08-20   
817-859 9 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-07-17   

<< 1 2 3 4

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.