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: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-674 A Unionville MI UNVLMIMNRS0  9323 MICHIGAN BELL TEL CO 344      
989-674 0 Unionville MI   145J TERRA NOVA TELECOM INC. 344   2020-12-07   
989-674 2 Unionville MI UNVLMIMNRS0  9323 MICHIGAN BELL TEL CO 344      
989-674 3 Unionville MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-11-08   
989-674 4 Unionville MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2012-10-13   
989-674 5 Unionville MI SGNWMIATX0X  516C AT&T CORP. 344   2011-09-30   
989-674 6 Unionville MI SGNWMIFAXCY  508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-05-07   
989-674 7 Unionville MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2013-04-05   
989-674 8 Unionville MI UNVLMIMNRS0  9323 MICHIGAN BELL TEL CO 344      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.