Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-802 2 Lansing MI   9323 MICHIGAN BELL TEL CO 346   2007-08-02   
517-802 3 Lansing MI   9323 MICHIGAN BELL TEL CO 346   2007-08-02   
517-802 4 Lansing MI   9323 MICHIGAN BELL TEL CO 346   2007-08-02   
517-802 5 Lansing MI   9323 MICHIGAN BELL TEL CO 346   2007-08-02   
517-802 6 Lansing MI   9323 MICHIGAN BELL TEL CO 346   2007-08-02   
517-802 7 Lansing MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2009-07-09   
517-802 8 Lansing MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2009-07-09   
517-802 9 Lansing MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2011-02-16   
517-803 A Lansing MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-803 0 Lansing MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2006-08-16   
517-803 1 Lansing MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2005-04-09   
517-803 2 Lansing MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2005-01-08   
517-803 3 Lansing MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2004-11-22   
517-803 4 Lansing MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-803 5 Lansing MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2004-11-21   
517-803 6 Lansing MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2004-10-16   
517-803 7 Lansing MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2004-03-24   
517-803 8 Lansing MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2006-01-16   
517-803 9 Lansing MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2004-03-24   
517-804 A Fowlerville MI LNNGMIMNXJY  9748 AMERICAN MESSAGING SERVICES, LLC 346      
517-809 A Tecumseh MI   817J INTERACTIVE SERVICES NETWORK, INC. 340      
517-812 A Jackson MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 0 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 1 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 2 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 3 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 4 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 5 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 6 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 7 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 8 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-812 9 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-813 A Blissfield MI   817J INTERACTIVE SERVICES NETWORK, INC. 340      
517-815 A Tecumseh MI TCMSMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-815 0 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      
517-815 1 Tecumseh MI   318J COMCAST IP PHONE, LLC 340   2007-06-26   
517-815 2 Tecumseh MI   543C ONVOY, LLCV - MI 340   2021-01-31   
517-815 3 Tecumseh MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2015-12-17   
517-815 4 Tecumseh MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2009-09-26   
517-815 5 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340   2004-06-06   
517-815 6 Tecumseh MI   543C ONVOY, LLCV - MI 340   2020-02-10   
517-815 7 Tecumseh MI   543C ONVOY, LLCV - MI 340   2014-04-18   
517-815 8 Tecumseh MI   2550 123.NET, LLC 340   2003-01-24   
517-815 9 Tecumseh MI   543C ONVOY, LLCV - MI 340   2020-02-10   
517-816 A Lansing MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-816 0 Lansing MI   543C ONVOY, LLCV - MI 346      
517-816 1 Lansing MI   543C ONVOY, LLCV - MI 346      
517-816 2 Lansing MI   543C ONVOY, LLCV - MI 346      
517-816 3 Lansing MI   543C ONVOY, LLCV - MI 346      
517-816 4 Lansing MI   3535 ACD TELECOM, INC. - MI 346   2013-03-10   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.