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: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-574 A Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556      
254-574 0 Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-09-17   
254-574 1 Salado TX   004F BANDWIDTH.COM CLEC, LLC - TX 556   2025-08-10   
254-574 2 Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-06-23   
254-574 3 Salado TX   004F BANDWIDTH.COM CLEC, LLC - TX 556   2025-10-23   
254-574 5 Salado TX KLLNTXXA0MD  903C ONVOY, LLC - TX 556   2023-02-20   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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