Local Calling Guide

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Region: MI

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-741 0 Harrison MI SGNWMIFAXFY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2011-10-24   
989-741 1 Harrison MI SGNWMIFAXFY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2005-06-04   
989-741 2 Harrison MI   817J TELNET WORLDWIDE, INC. 344   2005-09-04   
989-741 3 Harrison MI SGNWMIFAXFY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2005-10-02   
989-741 4 Harrison MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-03-05   
989-741 6 Harrison MI SGNWMIFAXFY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2021-03-26   
989-741 7 Harrison MI SGNWMIFAXEX  829J PAETEC ITEL, LLC 344   2005-04-20   
989-741 8 Harrison MI MNPLMICFDS1  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344   2006-04-15   
989-741 9 Harrison MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-05-31   
989-742 A Hillman MI HLMNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-742 0 Hillman MI SGNWMIFAXCY  508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-05-08   
989-742 1 Hillman MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2022-02-18   
989-742 2 Hillman MI HLMNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-742 3 Hillman MI HLMNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-742 4 Hillman MI HLMNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-742 5 Hillman MI   145J TERRA NOVA TELECOM INC. 344   2025-05-28   
989-742 6 Hillman MI SGNWMIFAZMD  2550 123.NET, LLC 344   2013-03-11   
989-742 7 Hillman MI HLMNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-742 8 Hillman MI HLMNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-742 9 Hillman MI   792K CHARTER IP ENABLED SERVICES, LLC 344   2022-06-19   
989-743 A Owosso MI CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 0 Owosso MI SGNWMIFAXFY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2011-07-17   
989-743 1 Owosso MI CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 2 Owosso MI CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 3 Owosso MI CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 4 Owosso MI CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 5 Owosso MI CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 6 Owosso MI CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 7 Owosso MI   046L CLEAR RATE COMMUNICATIONS, LLC 344   2009-11-14   
989-743 8 Owosso MI CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 9 Owosso MI CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-744 A Owosso MI SGNWMIFAXDX  9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-745 A Grayling MI GRYLMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-745 0 Grayling MI GRYLMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344   2007-04-07   
989-745 1 Grayling MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2005-11-24   
989-745 2 Grayling MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2006-01-21   
989-745 3 Grayling MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2006-02-09   
989-745 4 Grayling MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2006-02-09   
989-745 5 Grayling MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2006-02-09   
989-745 6 Grayling MI   792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-745 7 Grayling MI SGNWMIFAZMD  2550 123.NET, LLC 344   2007-11-16   
989-745 8 Grayling MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2007-12-13   
989-745 9 Grayling MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2025-11-13   
989-746 A Saginaw MI BRPTMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-746 0 Saginaw MI BRPTMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-746 1 Saginaw MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2016-03-31   
989-746 2 Saginaw MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2016-03-31   
989-746 3 Saginaw MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2016-03-31   
989-746 4 Saginaw MI SGNWMIFAXFY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2010-06-12   
989-746 5 Saginaw MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2016-03-31   
989-746 6 Saginaw MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2016-03-31   
989-746 7 Saginaw MI SGNWMIFAXNX  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2012-11-01   
989-746 8 Saginaw MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2016-03-31   
989-746 9 Saginaw MI BRPTMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-747 A Oscoda MI OSCDMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-747 0 Oscoda MI OSCDMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-747 1 Oscoda MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2016-03-25   
989-747 2 Oscoda MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2016-03-25   
989-747 3 Oscoda MI   046L CLEAR RATE COMMUNICATIONS, LLC 344   2009-11-14   
989-747 4 Oscoda MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2012-10-13   
989-747 5 Oscoda MI SGNWMIFAXCY  508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-05-06   
989-747 6 Oscoda MI SGNWMIFAXEX  829J PAETEC ITEL, LLC 344   2005-04-20   
989-747 8 Oscoda MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2004-12-24   
989-747 9 Oscoda MI MDLDMIMN0MD  116F PENINSULA FIBER NETWORK, LLC - MI 344   2019-03-04   
989-748 A Gaylord MI GYLRMI06DS0  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 0 Gaylord MI GYLRMI06DS0  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 1 Gaylord MI GYLRMI06DS0  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 2 Gaylord MI GYLRMI06DS0  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 3 Gaylord MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-03-05   
989-748 4 Gaylord MI GYLRMI06DS0  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 5 Gaylord MI GYLRMI06DS0  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 6 Gaylord MI SGNWMIFAXNX  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2012-03-29   
989-748 7 Gaylord MI GYLRMI06DS0  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 8 Gaylord MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2013-03-15   
989-748 9 Gaylord MI GYLRMI06DS0  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-749 A Elsie MI ELSIMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-749 0 Elsie MI ELSIMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344   2007-04-07   
989-750 A Midland MI SGNWMIATX0X  516C AT&T CORP. 344      
989-750 0 Midland MI SGNWMIACDS1  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2014-05-03   
989-750 1 Midland MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2010-11-04   
989-750 2 Midland MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2007-12-06   
989-750 3 Midland MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2008-02-07   
989-750 4 Midland MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-05-03   
989-750 5 Midland MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-01-21   
989-750 6 Midland MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-05-03   
989-750 7 Midland MI SGNWMIATX0X  516C AT&T CORP. 344   2006-06-30   
989-750 8 Midland MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2007-10-13   
989-750 9 Midland MI SGNWMIFADS1  3535 ACD TELECOM, INC. - MI 344   2009-01-22   
989-751 A Saginaw MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-752 A Saginaw MI SGNWMIFADS0  9323 MICHIGAN BELL TEL CO 344      
989-753 A Saginaw MI SGNWMIFADS0  9323 MICHIGAN BELL TEL CO 344      
989-754 A Saginaw MI SGNWMIFADS0  9323 MICHIGAN BELL TEL CO 344      
989-755 A Saginaw MI SGNWMIFADS0  9323 MICHIGAN BELL TEL CO 344      
989-756 A Whittemore MI WHMRMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-756 0 Whittemore MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2018-10-20   
989-756 1 Whittemore MI   792K CHARTER IP ENABLED SERVICES, LLC 344   2015-04-23   
989-756 2 Whittemore MI WHMRMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-756 3 Whittemore MI WHMRMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-756 4 Whittemore MI WHMRMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-756 5 Whittemore MI WHMRMIXIRS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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