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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-300 A McBride MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344      
989-300 0 McBride MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2015-11-09   
989-300 3 McBride MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2018-09-13   
989-300 4 McBride MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-11-20   
989-300 5 McBride MI SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-11-20   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.