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: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-378 A Mobile AL MOBLALAZ35Z  829J PAETEC ITEL, LLC 480      
251-378 0 Mobile AL   829J PAETEC ITEL, LLC 480      
251-378 1 Mobile AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 480   2007-08-09   
251-378 2 Mobile AL   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480   2016-04-10   
251-378 3 Mobile AL   829J PAETEC ITEL, LLC 480      
251-378 4 Mobile AL   829J PAETEC ITEL, LLC 480      
251-378 5 Mobile AL   318J COMCAST IP PHONE, LLC 480   2008-04-13   
251-378 6 Mobile AL   829J PAETEC ITEL, LLC 480      
251-378 7 Mobile AL   829J PAETEC ITEL, LLC 480      
251-378 8 Mobile AL   318J COMCAST IP PHONE, LLC 480   2008-04-13   
251-378 9 Mobile AL   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480   2016-01-23   

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

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