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: 630

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-630 A Harrison MI SGNWMIFAX7X  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-630 0 Harrison MI SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344      
989-630 2 Harrison MI SGNWMIFAZMD  2550 123.NET, LLC 344      
989-630 3 Harrison MI SGNWMIFAX7X  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-630 4 Harrison MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344      
989-630 5 Harrison MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 344      
989-630 6 Harrison MI   145J TERRA NOVA TELECOM INC. 344      
989-630 7 Harrison MI SGNWMIFAX7X  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-630 8 Harrison MI SGNWMIFAX7X  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-630 9 Harrison MI SGNWMIATX0X  516C AT&T CORP. 344      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.