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: 394

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-394 A Beaverton MI SGNWMIFAZMD  2550 123.NET, LLC 344      
989-394 0 Beaverton MI   991E BANDWIDTH.COM CLEC, LLC - MI 344   2012-07-06   
989-394 1 Beaverton MI   543C ONVOY, LLCV - MI 344   2015-08-02   
989-394 2 Beaverton MI   2550 123.NET, LLC 344   2012-07-01   
989-394 3 Beaverton MI   543C ONVOY, LLCV - MI 344   2016-04-11   
989-394 4 Beaverton MI   543C ONVOY, LLCV - MI 344   2013-03-15   
989-394 5 Beaverton MI   543C ONVOY, LLCV - MI 344   2016-04-11   
989-394 6 Beaverton MI   991E BANDWIDTH.COM CLEC, LLC - MI 344   2018-05-31   
989-394 7 Beaverton MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2016-02-25   
989-394 8 Beaverton MI   516C AT&T CORP. 344   2013-02-22   
989-394 9 Beaverton MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-01-23   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.