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: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-499 A Mobile AL   8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480   2025-03-27   
251-499 0 Mobile AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2025-03-29   
251-499 3 Mobile AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2025-06-30   
251-499 4 Mobile AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2025-07-30   
251-499 5 Mobile AL   490J BOOST SUBSCRIBERCO L.L.C. 480   2025-06-12   
251-499 6 Mobile AL   8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480   2025-03-27   
251-499 7 Mobile AL   490J BOOST SUBSCRIBERCO L.L.C. 480   2025-04-02   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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