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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-204 A Crystal MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-204 0 Crystal MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-204 1 Crystal MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-204 2 Crystal MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-05-10   
989-204 3 Crystal MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-05-10   
989-204 4 Crystal MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-09-12   
989-204 5 Crystal MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-09-12   
989-204 7 Crystal MI SGNWMIFAXCY  7575 CENTURYLINK COMMUNICATIONS LLC 344   2015-12-15   
989-204 8 Crystal MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2018-10-20   

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.