Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 473D CMC TELECOM, INC. - MI

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
517-925 0 Grand Ledge MI   346   2008-02-25   
810-377 2 Lexington MI   340   2008-01-17   
810-476 1 Applegate MI   340   2008-01-17   
810-644 4 Swartz Creek MI   340   2008-01-19   

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

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