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: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-346 A Mio MI SGNWMIFAX5X  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344      
989-346 0 Mio MI OWTPMI020MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-346 1 Mio MI ALMAMIXGFMD  543C ONVOY, LLCV - MI 344      
989-346 2 Mio MI ALMAMIXGOMD  624H ONVOY SPECTRUM, LLC 344      
989-346 3 Mio MI SGNWMIFAX5X  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344      
989-346 4 Mio MI SGNWMIACEMD  516J TON80 COMMUNICATIONS, LLC 344      
989-346 5 Mio MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-346 6 Mio MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.