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: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-503 A Mobile AL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 480   2025-06-05   
251-503 1 Mobile AL   476H AIRUS, INC. - AL 480   2025-06-06   
251-503 3 Mobile AL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 480   2025-06-05   
251-503 4 Mobile AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2025-06-06   
251-503 5 Mobile AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2025-06-06   
251-503 6 Mobile AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2025-06-06   
251-503 7 Mobile AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2025-06-06   
251-503 8 Mobile AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2025-06-06   
251-503 9 Mobile AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2025-06-06   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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