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: 774

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-774 A Coldwater Lake MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
517-774 0 Coldwater Lake MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-05-12   
517-774 3 Coldwater Lake MI THRRMIXTNMD  543C ONVOY, LLCV - MI 348   2021-07-12   
517-774 4 Coldwater Lake MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
517-774 6 Coldwater Lake MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348   2022-03-17   
517-774 7 Coldwater Lake MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-17   
517-774 9 Coldwater Lake MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2020-05-21   

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

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