Local Calling Guide

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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 743

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-743 A Portland MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-743 0 Portland MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2016-03-31   
517-743 1 Portland MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346   2003-06-29   
517-743 2 Portland MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2004-12-31   
517-743 3 Portland MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2005-11-12   
517-743 4 Portland MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2004-07-17   
517-743 5 Portland MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2006-04-24   
517-743 6 Portland MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2007-03-09   
517-743 7 Portland MI LNNGMIMNXQZ  508J CENTURYLINK COMMUNICATIONS, LLC 346   2016-01-26   
517-743 8 Portland MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2013-01-05   
517-743 9 Portland MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2016-03-31   

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

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