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.

Alpena, MI

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-255 A MNPLMIXGDMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-278 A SGNWMIFAZMD  2550 123 NET, INC. 344      
989-278 0   2550 123 NET, INC. 344   2003-05-29   
989-278 1   473D CMC TELECOM, INC. - MI 344   2008-02-25   
989-278 2   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2008-03-14   
989-278 3   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2018-04-06   
989-278 4   9245 CYNERGYCOMM.NET, INC. - MI 344   2006-06-25   
989-278 5   279B CLEAR RATE COMMUNICATIONS - CLEC - MI 344   2009-11-14   
989-278 6   6664 SPRINT SPECTRUM L.P. 344   2014-01-31   
989-278 7   6664 SPRINT SPECTRUM L.P. 344   2016-10-22   
989-278 8   991E BANDWIDTH.COM CLEC, LLC - MI 344   2009-03-06   
989-278 9   6664 SPRINT SPECTRUM L.P. 344   2007-07-17   
989-340 A OWTPMI021MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2007-03-18   
989-340 0   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2007-03-18   
989-340 1   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2008-04-27   
989-340 2   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2013-06-15   
989-340 4   0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344   2011-03-18   
989-340 6   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2014-04-12   
989-340 7   7575 CENTURYLINK COMMUNICATIONS LLC 344   2015-04-21   
989-340 9   6664 SPRINT SPECTRUM L.P. 344   2018-04-28   
989-354 A ALPEMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-356 A ALPEMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-358 A ALPEMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-419 A SGNWMIACDS0  4632 TELNET WORLDWIDE, INC. 344      
989-464 A MNPLMIXGDMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-590 A MNPLMIXGDMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-590 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-590 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2018-11-28   
989-590 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-590 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-590 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-590 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-591 A SGNWMIATCM1  6630 USA MOBILITY WIRELESS, INC. 344      
989-603 A SGNWMIFAXDX  9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-657 A ALPEMIEF0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-657 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-880 A   116F PENINSULA FIBER NETWORK, LLC - MI 344   2019-02-21   
989-880 0   116F PENINSULA FIBER NETWORK, LLC - MI 344   2019-02-21   
989-884 A SGNWMIECX8X  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-884 0   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-884 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2006-02-09   
989-884 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2006-02-09   
989-884 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2006-06-26   

1 2 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.