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.

Tow, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
325-379 A TOW TXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-379 0 BWWDTXXARMD  624H ONVOY SPECTRUM, LLC 961   2023-04-27   
325-379 1 TOW TXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-379 2 TOW TXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-379 3 TOW TXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-379 4   515J IP HORIZON LLC 961   2024-01-03   
325-379 5   515J IP HORIZON LLC 961   2024-01-03   
325-379 8 SANGTX01X0X  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 961   2006-09-25   
325-379 9   515J IP HORIZON LLC 961   2022-03-27   
325-715 A TOW TXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-715 0 TOW TXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-715 1 BWWDTXXATMD  903C ONVOY, LLC - TX 961   2019-03-14   
325-715 2 BWWDTXXATMD  903C ONVOY, LLC - TX 961   2021-06-03   
325-715 7 SANGTXXAXHX  508J CENTURYLINK COMMUNICATIONS, LLC 961   2016-08-13   
325-715 8 BWWDTXXATMD  903C ONVOY, LLC - TX 961   2021-02-03   
325-715 9 BWWDTXXATMD  903C ONVOY, LLC - TX 961   2021-02-03   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.