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: 364

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-364 A Saginaw MI SGNWMIFAXPY  515J IP HORIZON LLC 344      
989-364 0 Saginaw MI SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344   2023-08-15   
989-364 1 Saginaw MI   515J IP HORIZON LLC 344   2021-03-21   
989-364 2 Saginaw MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2023-07-08   
989-364 3 Saginaw MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2023-07-08   
989-364 4 Saginaw MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2023-07-08   
989-364 8 Saginaw MI SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344   2023-08-15   
989-364 9 Saginaw MI SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344   2023-08-15   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.