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.

Mount Clemens, MI

<< 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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
586-287 6 SFLDMIMK5MD  939H COMMIO, LLC 340   2021-08-29   
586-287 7 SFLDMIMK5MD  939H COMMIO, LLC 340   2021-08-29   
586-287 8 SFLDMIMK5MD  939H COMMIO, LLC 340   2021-08-29   
586-287 9 SFLDMIMK5MD  939H COMMIO, LLC 340   2021-08-29   
586-288 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
586-288 2   490J BOOST SUBSCRIBERCO L.L.C. 340   2026-04-23   
586-289 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
586-289 0 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-289 1 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-289 2 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-289 3 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-289 4 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-289 5 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-289 6 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-289 7 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-289 8 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-289 9 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-03-10   
586-291 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
586-292 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
586-295 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
586-299 A SFLDMITODS2  543C ONVOY, LLCV - MI 340      
586-299 0 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-02-07   
586-299 1 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-01-25   
586-299 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-01-25   
586-299 3 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-02-07   
586-299 4 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-02-07   
586-299 5 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-02-07   
586-299 6 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-02-07   
586-299 7 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-02-07   
586-299 8 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-02-07   
586-299 9 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-02-07   
586-300 A SFLDMIMK8MD  965H FRACTEL, LLC 340      
586-300 0 SFLDMIMK8MD  965H FRACTEL, LLC 340   2020-02-19   
586-300 1 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-12-03   
586-300 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-12-03   
586-300 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-12-03   
586-300 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-12-03   
586-300 5 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-12-03   
586-300 6 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2020-11-12   
586-300 7 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2020-11-12   
586-300 8 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-10-14   
586-300 9 SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-12-18   
586-302 A DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
586-302 0 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-05-11   
586-302 1 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-07-30   
586-302 2 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-03-05   
586-302 3 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-03-05   
586-302 4 DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2023-06-23   
586-302 5 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-08-26   
586-302 6 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-07-08   

<< 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 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.