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: 567

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-567 A Tomah WI MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354      
608-567 0 Tomah WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2007-03-05   
608-567 1 Tomah WI   6529 T-MOBILE USA, INC. 354   2006-06-23   
608-567 2 Tomah WI   792K CHARTER IP ENABLED SERVICES, LLC 354   2013-05-26   
608-567 3 Tomah WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2010-09-04   
608-567 4 Tomah WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2005-02-26   
608-567 5 Tomah WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354   2015-12-31   
608-567 6 Tomah WI   225C ONVOY, LLC - WI 354   2021-07-02   
608-567 7 Tomah WI   6529 T-MOBILE USA, INC. 354   2011-03-01   
608-567 8 Tomah WI   5562 METROPCS, INC. 354   2004-04-20   
608-567 9 Tomah WI   6529 T-MOBILE USA, INC. 354      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.