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: 946

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-946 A Standish MI SGNWMIFAXEX  829J PAETEC ITEL, LLC 344      
989-946 6 Standish MI SGNWMIFAXEX  829J PAETEC ITEL, LLC 344   2005-04-18   
989-946 7 Standish MI WBRNMIMN4MD  9245 CYNERGYCOMM.NET, INC. - MI 344   2006-11-17   
989-946 9 Standish MI SGNWMIACDS1  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2023-08-19   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.