Local Calling Guide

Area code/prefix search

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NPA: 254 [Rate centres in NPA 254] [Dial plan for NPA 254]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-437 A Hillsboro TX WACOTX36EMD  073H TELNYX LLC 556      
254-437 0 Hillsboro TX WACOTX36EMD  073H TELNYX LLC 556   2021-06-17   

Last updated: Fri, 28 Jun 2024 03:14:50 UTC

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