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: 778

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-778 A Clarkston MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-778 0 Clarkston MI SFLDMIMK9MD  145J TERRA NOVA TELECOM INC. 340   2024-10-16   
248-778 1 Clarkston MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-778 2 Clarkston MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-778 3 Clarkston MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-778 5 Clarkston MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2003-05-13   
248-778 6 Clarkston MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-08-17   
248-778 7 Clarkston MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-04-16   
248-778 8 Clarkston MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-11-15   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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