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: 704

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-704 A Sebewaing MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-704 0 Sebewaing MI SGNWMIFAZMD  2550 123.NET, INC. 344   2003-03-08   
989-704 1 Sebewaing MI SGNWMIFAXNY  318J COMCAST IP PHONE, LLC 344   2010-11-30   
989-704 3 Sebewaing MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2012-06-23   
989-704 4 Sebewaing MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2012-09-03   
989-704 5 Sebewaing MI SGNWMIATX0X  516C AT&T CORP. 344   2011-09-30   
989-704 6 Sebewaing MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2015-08-02   
989-704 7 Sebewaing MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2016-04-11   
989-704 8 Sebewaing MI SGNWMIACDS1  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-12-26   
989-704 9 Sebewaing MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2023-08-26   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.