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.

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

NXX: 912

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-912 A Cass City MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-912 0 Cass City MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-912 1 Cass City MI SGNWMIFAZMD  2550 123.NET, LLC 344      
989-912 2 Cass City MI SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-912 3 Cass City MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-912 4 Cass City MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-912 5 Cass City MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-912 6 Cass City MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 344      
989-912 7 Cass City MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-912 8 Cass City MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-912 9 Cass City MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.