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: 604

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-604 A Mason MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-604 0 Mason MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-604 1 Mason MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-604 2 Mason MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2019-05-17   
517-604 3 Mason MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346   2019-01-17   
517-604 4 Mason MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2016-03-28   
517-604 5 Mason MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2016-03-28   
517-604 6 Mason MI LNNGMIMNXJZ  668E SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 346   2012-05-20   
517-604 7 Mason MI LNNGMIMNXQZ  508J CENTURYLINK COMMUNICATIONS, LLC 346   2016-01-26   
517-604 8 Mason MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346   2019-01-17   
517-604 9 Mason MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2016-09-26   

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

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