Local Calling Guide

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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 889

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-889 A Grayling MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-889 0 Grayling MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2007-05-17   
989-889 1 Grayling MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2011-03-15   
989-889 2 Grayling MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2014-09-14   
989-889 3 Grayling MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344   2012-11-01   
989-889 4 Grayling MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2012-07-23   
989-889 5 Grayling MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-889 6 Grayling MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2011-08-27   
989-889 7 Grayling MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2013-08-06   
989-889 8 Grayling MI   543C ONVOY, LLCV - MI 344   2013-03-15   
989-889 9 Grayling MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2013-08-03   

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

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