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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-997 A Charlotte MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-997 0 Charlotte MI LNNGMIMNX5Z  543C ONVOY, LLC - MI 346   2016-03-28   
517-997 1 Charlotte MI LNNGMIMNX5Z  543C ONVOY, LLC - MI 346   2016-03-28   
517-997 2 Charlotte MI LNNGMIMNXHY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 346   2017-12-13   
517-997 3 Charlotte MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-997 4 Charlotte MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-997 5 Charlotte MI LNNGMIMNX5Z  543C ONVOY, LLC - MI 346   2013-01-30   
517-997 6 Charlotte MI LNNGMIMNXJZ  668E SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 346   2012-05-20   
517-997 7 Charlotte MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-997 8 Charlotte MI LNNGMIMNX5Z  543C ONVOY, LLC - MI 346   2014-11-13   
517-997 9 Charlotte MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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