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: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-488 A Castleberry AL MOBLALAZXJZ  773F MCC TELEPHONY OF THE SOUTH, LLC - AL 480   2024-10-12   
251-488 8 Castleberry AL   145J TERRA NOVA TELECOM INC. 480   2025-08-02   
251-488 9 Castleberry AL MOBLALAZXJZ  773F MCC TELEPHONY OF THE SOUTH, LLC - AL 480   2024-10-12   

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

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