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: 779

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-779 A Commerce MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-779 1 Commerce MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-779 3 Commerce MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-06-13   
248-779 5 Commerce MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-03-06   
248-779 6 Commerce MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-02-18   
248-779 7 Commerce MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2007-10-15   
248-779 8 Commerce MI   046L CLEAR RATE COMMUNICATIONS, LLC 340   2009-06-04   
248-779 9 Commerce MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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