Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-991 A Camden MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-991 0 Camden MI   624H ONVOY SPECTRUM, LLC 346   2024-05-03   
517-991 1 Camden MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2018-10-12   
517-991 2 Camden MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2021-07-11   
517-991 3 Camden MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-991 4 Camden MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2016-02-15   
517-991 7 Camden MI LNNGMIMNXQZ  508J CENTURYLINK COMMUNICATIONS, LLC 346   2016-01-23   

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

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