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: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-877 A Litchfield MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-877 0 Litchfield MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-877 1 Litchfield MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346   2020-07-18   
517-877 2 Litchfield MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2009-09-27   
517-877 5 Litchfield MI   624H ONVOY SPECTRUM, LLC 346   2021-06-17   
517-877 6 Litchfield MI   543C ONVOY, LLCV - MI 346   2021-02-03   
517-877 7 Litchfield MI   543C ONVOY, LLCV - MI 346   2021-02-03   
517-877 8 Litchfield MI   543C ONVOY, LLCV - MI 346   2021-02-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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