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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-666 A Grand Ledge MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-666 0 Grand Ledge MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2020-11-15   
517-666 1 Grand Ledge MI LNNGMIMN02Z  318J COMCAST IP PHONE, LLC 346   2019-11-02   
517-666 3 Grand Ledge MI LNNGMIDCDMD  516J TON80 COMMUNICATIONS, LLC 346   2022-04-11   
517-666 5 Grand Ledge MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2021-03-05   
517-666 6 Grand Ledge MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2018-01-21   
517-666 7 Grand Ledge MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2021-03-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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