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: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-392 A Jackson MI LNNGMIMNPMD  7421 AT&T - LOCAL 346      
517-392 0 Jackson MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2003-03-08   
517-392 1 Jackson MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2004-06-19   
517-392 2 Jackson MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2004-12-22   
517-392 3 Jackson MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2005-03-13   
517-392 4 Jackson MI LNNGMIMN16Z  829J PAETEC ITEL, LLC 346   2005-04-11   
517-392 5 Jackson MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2005-02-12   
517-392 6 Jackson MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2005-01-02   
517-392 7 Jackson MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2004-06-08   
517-392 8 Jackson MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2004-06-08   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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