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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-448 A McCullough AL ATMRALXANMD  624H ONVOY SPECTRUM, LLC 480      
251-448 0 McCullough AL   624H ONVOY SPECTRUM, LLC 480   2021-08-21   
251-448 1 McCullough AL   624H ONVOY SPECTRUM, LLC 480   2021-08-21   
251-448 2 McCullough AL   773F MCC TELEPHONY OF THE SOUTH, LLC - AL 480   2025-05-17   
251-448 3 McCullough AL   604E ONVOY, LLC - AL 480   2021-07-29   
251-448 4 McCullough AL   624H ONVOY SPECTRUM, LLC 480   2021-04-07   
251-448 5 McCullough AL   624H ONVOY SPECTRUM, LLC 480   2021-04-07   
251-448 6 McCullough AL   604E ONVOY, LLC - AL 480   2022-03-25   
251-448 7 McCullough AL   604E ONVOY, LLC - AL 480   2023-06-09   
251-448 8 McCullough AL   624H ONVOY SPECTRUM, LLC 480   2021-11-11   
251-448 9 McCullough AL   604E ONVOY, LLC - AL 480   2021-11-11   

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

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