Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 248 [Rate centres in NPA 248] [Dial plan for NPA 248]

NXX: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-631 A Birmingham MI BRHMMIBD7MD  7421 AT&T - LOCAL 340      
248-631 0 Birmingham MI BRHMMIBD7MD  7421 AT&T - LOCAL 340      
248-631 1 Birmingham MI BRHMMIBD7MD  7421 AT&T - LOCAL 340      
248-631 2 Birmingham MI BRHMMIBD7MD  7421 AT&T - LOCAL 340      
248-631 3 Birmingham MI DTRTMIBHMMD  8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340   2009-10-27   
248-631 4 Birmingham MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-11-04   
248-631 5 Birmingham MI BRHMMIBD7MD  7421 AT&T - LOCAL 340      
248-631 6 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2007-01-28   
248-631 7 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2007-08-24   
248-631 8 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2007-08-24   
248-631 9 Birmingham MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2008-05-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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