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.

Utica, MI

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
586-247 A MTCLMICLDS0  9323 MICHIGAN BELL TEL CO 340      
586-251 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
586-251 0   991E BANDWIDTH.COM CLEC, LLC - MI 340   2016-07-18   
586-251 1   9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2016-11-07   
586-251 2   318J COMCAST IP PHONE, LLC 340   2016-10-24   
586-251 3   5562 METROPCS, INC. 340   2017-02-01   
586-251 4   5562 METROPCS, INC. 340   2017-02-01   
586-251 5   5562 METROPCS, INC. 340   2017-02-01   
586-251 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-05-15   
586-251 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-05-15   
586-251 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-05-15   
586-251 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-05-15   
586-254 A UTICMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
586-262 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-262 0   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-262 2   5562 METROPCS, INC. 340   2015-02-20   
586-262 3   829J PAETEC ITEL, LLC 340   2005-01-16   
586-262 4   318J COMCAST IP PHONE, LLC 340   2012-06-30   
586-262 5   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-262 6   991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-03-27   
586-262 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-05-04   
586-262 8   3535 ACD TELECOM, INC. - MI 340   2005-07-23   
586-262 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-05-04   
586-314 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-314 0   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-314 1   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-314 2   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-314 4   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-314 5   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-314 6   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-314 7   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-314 8   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
586-323 A UTICMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
586-346 A LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-04-06   
586-346 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-07-12   
586-346 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-07-12   
586-346 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-11-15   
586-346 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-11-15   
586-346 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-11-15   
586-346 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-01-04   
586-346 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-02-10   
586-346 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-11-21   
586-346 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-04-06   
586-358 A DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340      
586-358 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-03-18   
586-358 1   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 2   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 3   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 4   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 5   624H ONVOY SPECTRUM, LLC 340   2023-06-23   
586-358 6   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 7   543C ONVOY, LLCV - MI 340   2023-07-02   
586-358 8   624H ONVOY SPECTRUM, LLC 340   2023-04-24   
586-358 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-03-18   
586-488 A WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
586-488 0   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2015-10-18   
586-488 1   318J COMCAST IP PHONE, LLC 340   2016-03-02   
586-488 2   543C ONVOY, LLCV - MI 340   2016-02-26   
586-488 3   318J COMCAST IP PHONE, LLC 340   2015-05-10   
586-488 4   543C ONVOY, LLCV - MI 340   2016-02-26   
586-488 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-09-28   
586-488 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-09-28   
586-488 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-09-28   
586-488 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-05-11   
586-488 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-05-11   
586-532 A MTCLMICLDS0  9323 MICHIGAN BELL TEL CO 340      
586-544 A SFLDMITODS2  543C ONVOY, LLCV - MI 340      
586-544 0   939H COMMIO, LLC 340   2021-10-11   
586-544 1   939H COMMIO, LLC 340   2021-10-11   
586-544 3   939H COMMIO, LLC 340   2021-10-11   
586-544 4   543C ONVOY, LLCV - MI 340   2021-03-07   
586-544 5   543C ONVOY, LLCV - MI 340   2021-03-07   
586-544 6   543C ONVOY, LLCV - MI 340   2021-03-07   
586-544 7   543C ONVOY, LLCV - MI 340   2021-03-07   
586-544 8   624H ONVOY SPECTRUM, LLC 340   2021-06-17   
586-544 9   939H COMMIO, LLC 340   2021-10-11   
586-566 A MTCLMICLDS0  9323 MICHIGAN BELL TEL CO 340      
586-580 A   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
586-580 0   2550 123.NET, LLC 340   2003-03-11   
586-580 1   991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-09-11   
586-580 2   318J COMCAST IP PHONE, LLC 340   2010-09-14   
586-580 3   318J COMCAST IP PHONE, LLC 340   2007-07-12   
586-580 4   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2003-01-12   
586-580 5   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
586-580 6   543C ONVOY, LLCV - MI 340   2008-01-07   
586-580 7   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-11-22   
586-580 8   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-09-12   
586-580 9   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-09-12   
586-685 A FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
586-685 0   829J PAETEC ITEL, LLC 340      
586-685 1   829J PAETEC ITEL, LLC 340      
586-685 2   829J PAETEC ITEL, LLC 340      
586-685 3   829J PAETEC ITEL, LLC 340      
586-685 4   829J PAETEC ITEL, LLC 340      
586-685 5   829J PAETEC ITEL, LLC 340      
586-685 6   460K FIRST COMMUNICATIONS, LLC 340   2009-05-28   
586-685 7   543C ONVOY, LLCV - MI 340   2016-04-06   
586-685 8   829J PAETEC ITEL, LLC 340      
586-685 9   829J PAETEC ITEL, LLC 340      
586-710 A   817J INTERACTIVE SERVICES NETWORK, INC. 340      

1 2 3 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.