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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-544 A Farwell MI FRWLMIWSRS1  9323 MICHIGAN BELL TEL CO 344      
989-544 0 Farwell MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2014-08-18   
989-544 1 Farwell MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2009-02-07   
989-544 2 Farwell MI FRWLMIWSRS1  9323 MICHIGAN BELL TEL CO 344      
989-544 3 Farwell MI FRWLMIWSRS1  9323 MICHIGAN BELL TEL CO 344      
989-544 4 Farwell MI SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2012-07-01   
989-544 5 Farwell MI SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2010-09-11   
989-544 6 Farwell MI SGNWMIATX0X  516C AT&T CORP. 344   2013-02-22   
989-544 7 Farwell MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 344   2009-09-12   
989-544 8 Farwell MI SGNWMIFAZMD  2550 123.NET, INC. 344   2010-10-15   
989-544 9 Farwell MI SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2013-07-07   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.