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: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-406 A Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480      
251-406 0 Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480      
251-406 1 Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2005-05-14   
251-406 2 Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2005-05-14   
251-406 3 Mobile AL MOBLALAZ02Z  5562 METROPCS, INC. 480   2005-11-25   
251-406 4 Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2023-09-02   
251-406 5 Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2015-11-05   
251-406 6 Mobile AL MOBLALAZ02Z  5562 METROPCS, INC. 480   2005-11-25   
251-406 7 Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480   2023-09-02   
251-406 8 Mobile AL MOBLALAZXWY  7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 480   2013-01-02   
251-406 9 Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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