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.

Adrian, MI

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
517-207 A   817J INTERACTIVE SERVICES NETWORK, INC. 340      
517-215 A LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-215 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-04-07   
517-215 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-04-07   
517-215 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-04-07   
517-215 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-04-07   
517-215 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-04-07   
517-215 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-05-06   
517-215 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-05-06   
517-215 7   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-06-05   
517-215 8   5562 METROPCS, INC. 340   2010-06-10   
517-215 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-02-28   
517-260 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
517-263 A ADRNMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-264 A ADRNMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-265 A ADRNMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-266 A ADRNMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-270 A PLMOMIFAFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-270 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-270 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-270 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-270 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-270 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-270 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2019-08-11   
517-270 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-270 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-09-11   
517-270 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-09-11   
517-270 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2012-05-31   
517-280 A LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-280 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2021-05-03   
517-280 1   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2021-07-15   
517-280 2   543C ONVOY, LLCV - MI 340   2021-03-22   
517-280 3   543C ONVOY, LLCV - MI 340   2021-03-22   
517-280 4   624H ONVOY SPECTRUM, LLC 340   2021-06-13   
517-280 5   543C ONVOY, LLCV - MI 340   2021-09-02   
517-280 6   543C ONVOY, LLCV - MI 340   2021-09-02   
517-280 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-03-20   
517-280 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-03-20   
517-280 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-03-20   
517-291 A SFLDMITOEMD  495J STRATUS NETWORKS 340      
517-291 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 1   495J STRATUS NETWORKS 340   2021-05-17   
517-291 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2024-12-06   
517-291 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-11-29   
517-291 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2026-01-27   
517-291 8   543C ONVOY, LLCV - MI 340   2023-07-23   
517-291 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-08-26   
517-312 A ADRNMIXGPS0  0695 FRONTIER NORTH, INC. - MI 340      
517-312 0   543C ONVOY, LLCV - MI 340   2019-03-15   
517-312 1   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2018-11-25   
517-312 2   543C ONVOY, LLCV - MI 340   2017-12-22   
517-312 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-01-26   
517-312 4   0695 FRONTIER NORTH, INC. - MI 340   2015-06-22   
517-312 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2020-01-17   
517-312 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-01-26   
517-312 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2020-02-03   
517-312 8   543C ONVOY, LLCV - MI 340   2019-03-15   
517-312 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2020-02-03   
517-366 A LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-366 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-10-11   
517-366 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-11-09   
517-366 2   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2012-02-23   
517-366 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2012-07-19   
517-366 4   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-01-03   
517-366 5   543C ONVOY, LLCV - MI 340   2014-04-18   
517-366 6   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2012-06-18   
517-366 7   508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-02-10   
517-366 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2010-09-17   
517-366 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-05-17   
517-403 A LIVNMIUX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-403 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
517-417 A ADRNMIXGVMD  3459 TC3 TELECOM, INC. - MI 340      
517-438 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
517-438 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
517-438 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
517-438 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
517-438 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
517-438 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
517-438 5   318J COMCAST IP PHONE, LLC 340   2005-04-16   
517-438 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2008-02-15   
517-438 7   3535 ACD TELECOM, INC. - MI 340   2005-07-21   
517-438 8   318J COMCAST IP PHONE, LLC 340   2010-09-09   
517-438 9   356D AMERICAN BROADBAND AND TELECOMMS COMPANY - MI 340   2006-05-25   
517-442 A PLMOMIFAFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-442 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-442 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-10-23   
517-442 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2006-01-13   
517-442 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2005-11-14   

1 2 3 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.