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: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
325-475 A London TX LONDTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-475 0 London TX   903C ONVOY, LLC - TX 961   2021-02-03   
325-475 1 London TX   903C ONVOY, LLC - TX 961   2021-02-03   
325-475 2 London TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-475 3 London TX   624H ONVOY SPECTRUM, LLC 961   2023-04-27   
325-475 4 London TX   903C ONVOY, LLC - TX 961   2019-03-14   
325-475 5 London TX   413F HILL COUNTRY TELECOMMUNICATIONS, LLC - TX 961   2025-10-26   
325-475 6 London TX   515J IP HORIZON LLC 961   2024-01-03   
325-475 7 London TX   508J CENTURYLINK COMMUNICATIONS, LLC 961   2016-07-28   
325-475 8 London TX   515J IP HORIZON LLC 961   2024-01-03   
325-475 9 London TX   515J IP HORIZON LLC 961   2022-04-01   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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