Local Calling Guide

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Fitchburg, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
517-565 A FTBGMIXIRSA  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-565 0 LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2006-01-05   
517-565 2 LNNGMIMN00Z  624H ONVOY SPECTRUM, LLC 346   2021-06-17   
517-565 3 FTBGMIXIRSA  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-565 4 LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2004-07-16   
517-565 6 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2021-04-25   
517-565 7 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2013-04-01   
517-634 A LNNGMIDCHMD  4632 TELNET WORLDWIDE, INC. 346      
517-923 A MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-923 2 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2020-02-10   
517-923 3 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2020-02-10   
517-923 4 MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-923 6 LNNGMIMNXQZ  508J CENTURYLINK COMMUNICATIONS, LLC 346   2016-01-25   
517-923 7 MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      

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

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