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.

Port Huron, MI

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
810-650 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-650 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-650 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-650 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-650 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-650 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-650 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-650 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-650 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
810-662 A SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340      
810-662 0   991E BANDWIDTH.COM CLEC, LLC - MI 340   2013-07-19   
810-662 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-03-24   
810-662 2   5562 METROPCS, INC. 340   2015-07-31   
810-662 3   318J COMCAST IP PHONE, LLC 340   2015-07-20   
810-662 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-01   
810-662 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-10-10   
810-662 6   5562 METROPCS, INC. 340   2014-03-17   
810-662 7   508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-07-15   
810-662 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-10-10   
810-662 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-10-10   
810-689 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-689 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2009-09-29   
810-689 1   543C ONVOY, LLCV - MI 340   2016-07-09   
810-689 2   145J TERRA NOVA TELECOM INC. 340   2022-11-10   
810-689 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2009-01-26   
810-689 4   991E BANDWIDTH.COM CLEC, LLC - MI 340   2009-03-07   
810-689 5   829J PAETEC ITEL, LLC 340   2009-11-13   
810-689 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2009-08-18   
810-689 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2009-09-29   
810-689 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2006-01-30   
810-689 9   991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-07-02   
810-824 A FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
810-824 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-01-17   
810-824 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-09-12   
810-824 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2005-01-14   
810-824 3   318J COMCAST IP PHONE, LLC 340   2006-08-03   
810-824 4   318J COMCAST IP PHONE, LLC 340   2006-08-03   
810-824 5   829J PAETEC ITEL, LLC 340   2004-03-09   
810-824 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-06-05   
810-824 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2002-12-09   
810-824 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2002-12-09   
810-824 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-10-05   
810-841 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-841 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-841 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-841 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-841 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-841 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-841 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-841 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
810-841 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2004-11-04   
810-841 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2005-02-21   
810-841 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2005-02-21   
810-858 A LIVNMIUX3MD  5562 METROPCS, INC. 340      
810-858 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-04-23   
810-858 1   5562 METROPCS, INC. 340      
810-858 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-12-22   
810-858 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-12-22   
810-858 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-12-22   
810-858 5   5562 METROPCS, INC. 340   2008-02-07   
810-858 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-12-22   
810-858 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2010-03-31   
810-858 8   5562 METROPCS, INC. 340      
810-858 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-04-02   
810-887 A PTHRMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
810-887 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2006-09-30   
810-887 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2006-12-07   
810-887 2   9323 MICHIGAN BELL TEL CO 340   2004-10-05   
810-887 3   9323 MICHIGAN BELL TEL CO 340   2004-10-05   
810-887 4   9323 MICHIGAN BELL TEL CO 340   2004-10-05   
810-887 5   9323 MICHIGAN BELL TEL CO 340   2004-10-05   
810-887 6   9323 MICHIGAN BELL TEL CO 340   2004-10-05   
810-887 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2006-12-07   
810-887 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2006-01-16   
810-887 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2005-04-09   
810-937 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
810-937 0   145J TERRA NOVA TELECOM INC. 340   2026-01-05   
810-937 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2007-09-24   
810-937 2   318J COMCAST IP PHONE, LLC 340   2007-04-01   
810-937 3   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
810-937 4   817J INTERACTIVE SERVICES NETWORK, INC. 340   2019-09-01   
810-937 5   318J COMCAST IP PHONE, LLC 340   2007-04-01   
810-937 6   5562 METROPCS, INC. 340   2007-12-10   
810-937 7   5562 METROPCS, INC. 340   2007-12-10   
810-937 8   5562 METROPCS, INC. 340   2008-02-07   
810-937 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2002-12-09   
810-941 A BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
810-941 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-04-23   
810-941 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2008-12-10   
810-941 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2007-12-14   
810-941 3   829J PAETEC ITEL, LLC 340   2007-12-11   
810-941 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2007-10-10   
810-941 5   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2009-09-29   
810-941 6   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
810-941 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2007-10-11   
810-941 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2006-11-06   
810-941 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2008-06-08   
810-956 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
810-956 0   5562 METROPCS, INC. 340   2008-02-07   
810-956 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-03-15   

<< 1 2 3 4 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.