Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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: Tue, 16 Apr 2024 01:38:01 UTC

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