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: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-770 A Lansing MI LNNGMIDC0MD  939H COMMIO, LLC 346      
517-770 0 Lansing MI LNNGMIDC0MD  939H COMMIO, LLC 346   2021-06-05   
517-770 1 Lansing MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2024-11-17   
517-770 2 Lansing MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2024-11-17   
517-770 3 Lansing MI LNNGMIMNXSZ  5562 METROPCS, INC. 346   2023-07-23   
517-770 7 Lansing MI LNNGMIMNXSZ  5562 METROPCS, INC. 346   2023-07-23   
517-770 8 Lansing MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2023-11-02   

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

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