Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 251 [Rate centres in NPA 251] [Dial plan for NPA 251]

NXX: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-492 A Gilbertown AL MOBLALAZXSY  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480   2024-12-09   
251-492 6 Gilbertown AL   8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480   2024-12-09   

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

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