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: 441

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-441 A Eaton Rapids MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-441 0 Eaton Rapids MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2021-03-05   
517-441 1 Eaton Rapids MI LNNGMIMNX4Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2009-09-26   
517-441 2 Eaton Rapids MI LNNGMIMNX3Y  2550 123.NET, LLC 346   2009-03-21   
517-441 3 Eaton Rapids MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2008-05-19   
517-441 4 Eaton Rapids MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2007-03-05   
517-441 5 Eaton Rapids MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2021-03-05   
517-441 6 Eaton Rapids MI LNNGMIMNXMZ  516C AT&T CORP. 346   2011-09-30   
517-441 7 Eaton Rapids MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2008-02-18   
517-441 8 Eaton Rapids MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2026-02-23   
517-441 9 Eaton Rapids MI LNNGMIMN02Z  318J COMCAST IP PHONE, LLC 346   2007-04-16   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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