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: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-576 A Alma MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-576 0 Alma MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-576 1 Alma MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-576 2 Alma MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-576 3 Alma MI SGNWMIFAX7X  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2012-07-23   
989-576 4 Alma MI SGNWMIFAX7X  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2021-03-26   
989-576 5 Alma MI SGNWMIFAX7X  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2022-01-19   
989-576 6 Alma MI SGNWMIFAXNX  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2012-06-18   
989-576 8 Alma MI SGNWMIFAX7X  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2022-01-19   
989-576 9 Alma MI SGNWMIFAX7X  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2022-01-19   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.