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.

Onaway, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-306 A SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-306 0 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-306 1 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-306 2 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-306 3 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2006-01-07   
989-306 4 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2007-12-30   
989-306 5 SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2008-09-26   
989-306 6 GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-12-12   
989-306 7 GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2008-09-20   
989-306 8 GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2011-05-19   
989-306 9 SGNWMIFAXCY  508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-05-08   
989-515 A SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-515 1 GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2023-02-27   
989-515 2 OWTPMI021MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2023-12-24   
989-515 4 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2022-03-29   
989-733 A ONWYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-733 0 GRYLMIAT7MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2005-05-14   
989-733 1 GYLRMI06DS0  0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344   2011-03-01   
989-733 2 ONWYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-733 3 SGNWMIFAZMD  2550 123.NET, INC. 344   2020-01-04   
989-733 4 ONWYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-733 5 ONWYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-733 6 ONWYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-733 7 ONWYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-733 8 ONWYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-733 9 ONWYMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.