Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 325 [Rate centres in NPA 325] [Dial plan for NPA 325]

NXX: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
325-379 A Tow TX TOW TXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-379 0 Tow TX   624H ONVOY SPECTRUM, LLC 961   2023-04-27   
325-379 1 Tow TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-379 2 Tow TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-379 3 Tow TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-379 4 Tow TX   515J IP HORIZON LLC 961   2024-01-03   
325-379 5 Tow TX   515J IP HORIZON LLC 961   2024-01-03   
325-379 6 Tow TX   515J IP HORIZON LLC 961   2025-03-10   
325-379 7 Tow TX   515J IP HORIZON LLC 961   2025-03-10   
325-379 8 Tow TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 961   2006-09-25   
325-379 9 Tow TX   515J IP HORIZON LLC 961   2022-03-27   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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