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: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-380 A Bay Port MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-380 0 Bay Port MI SGNWMIAC6MD  939H COMMIO, LLC 344   2023-11-18   
989-380 1 Bay Port MI SGNWMIAC6MD  939H COMMIO, LLC 344   2023-11-18   
989-380 2 Bay Port MI SGNWMIAC6MD  939H COMMIO, LLC 344   2023-11-18   
989-380 3 Bay Port MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-09-03   
989-380 6 Bay Port MI SGNWMIAC6MD  939H COMMIO, LLC 344   2023-11-18   
989-380 7 Bay Port MI SGNWMIATX0X  516C AT&T CORP. 344   2023-09-25   
989-380 8 Bay Port MI   145J TERRA NOVA TELECOM INC. 344   2024-02-14   
989-380 9 Bay Port MI SGNWMIAC6MD  939H COMMIO, LLC 344   2023-11-18   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.