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: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-665 A Gagetown MI GGTWMIRMRSA  9323 MICHIGAN BELL TEL CO 344      
989-665 0 Gagetown MI   9323 MICHIGAN BELL TEL CO 344      
989-665 1 Gagetown MI   318J COMCAST IP PHONE, LLC 344   2010-11-30   
989-665 2 Gagetown MI   9323 MICHIGAN BELL TEL CO 344      
989-665 3 Gagetown MI   624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-665 4 Gagetown MI   991E BANDWIDTH.COM CLEC, LLC - MI 344   2011-12-30   
989-665 5 Gagetown MI   543C ONVOY, LLCV - MI 344   2013-03-15   
989-665 7 Gagetown MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2015-05-06   
989-665 8 Gagetown MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-12-22   
989-665 9 Gagetown MI   145J TERRA NOVA TELECOM INC. 344   2021-11-02   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.