Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Prattville, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
517-383 A PRVLMIXJRSA  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 346      
517-696 A MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-696 0 LNNGMIMN00Z  624H ONVOY SPECTRUM, LLC 346   2024-05-10   
517-696 1 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2021-06-18   
517-696 2 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2021-07-11   
517-696 3 MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-696 6 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2018-10-12   
517-696 9   145J TERRA NOVA TELECOM INC. 346   2025-07-31   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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