Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 430 [Rate centres in NPA 430] [Dial plan for NPA 430]

NXX: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-742 A Cayuga TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552      
430-742 0 Cayuga TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2023-09-18   
430-742 1 Cayuga TX   793K TWC IP ENABLED SERVICES, LLC 552   2023-06-11   
430-742 6 Cayuga TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2022-04-01   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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