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: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-383 A Richland Center WI RCCTWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-383 0 Richland Center WI RCCTWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-383 1 Richland Center WI FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354   2005-12-22   
608-383 2 Richland Center WI MDSRWIKE5MD  516J TON80 COMMUNICATIONS, LLC 354   2021-10-21   
608-383 3 Richland Center WI MDSNWIPUCM4  6274 UNITED STATES CELLULAR - WI 354   2006-07-19   
608-383 4 Richland Center WI MDSNWIPUCM4  6274 UNITED STATES CELLULAR - WI 354   2006-07-19   
608-383 5 Richland Center WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2007-04-26   
608-383 6 Richland Center WI MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2016-02-26   
608-383 7 Richland Center WI LCRSWIXCIMD  508J CENTURYLINK COMMUNICATIONS, LLC 354   2014-12-29   
608-383 8 Richland Center WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2017-07-24   
608-383 9 Richland Center WI MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2018-08-13   

Last updated: Fri, 03 Nov 2023 21:02:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.