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.

Fentress, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-488 A FNTRTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-488 0 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
512-488 1 AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558      
512-488 2 FNTRTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-488 3 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
512-488 4 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
512-488 5 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
512-488 6 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
512-488 7 SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558      
512-488 8 AUSTTXGR46Z  158H INVOXIO INCORPORATED 558      
512-488 9 AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558      
737-337 A   903C ONVOY, LLC - TX 558      
737-337 0 AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558      
737-337 1 AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558      
737-337 2 AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558      
737-337 3   145J TERRA NOVA TELECOM INC. 558      
737-337 4 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-337 5 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-337 6 AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558      
737-337 8 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-520 A SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-520 0 AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558      
737-520 1 AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558      
737-520 2 AUSTTXGRX3Y  073H TELNYX LLC 558      
737-520 3 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-520 4 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-520 5 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-520 6 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-520 7 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-520 8 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-520 9 SMRCTXXAYMD  903C ONVOY, LLC - TX 558      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.