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: 906

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-906 A Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-906 0 Madison WI MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-906 1 Madison WI MDSNWIKWDS0  7804 TDS METROCOM, INC. - WI 354      
608-906 2 Madison WI MDSNWIKWDS0  7804 TDS METROCOM, INC. - WI 354      
608-906 3 Madison WI MDSNWIKWDS0  7804 TDS METROCOM, INC. - WI 354      
608-906 4 Madison WI MDSNWIKWDS0  7804 TDS METROCOM, INC. - WI 354      
608-906 5 Madison WI MDSNWIKWDS0  7804 TDS METROCOM, INC. - WI 354      
608-906 6 Madison WI MDSNWIKWDS0  7804 TDS METROCOM, INC. - WI 354      
608-906 7 Madison WI MDSNWIKWDS0  7804 TDS METROCOM, INC. - WI 354      
608-906 8 Madison WI MDSNWIKWDS0  7804 TDS METROCOM, INC. - WI 354      
608-906 9 Madison WI   145J TERRA NOVA TELECOM INC. 354      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.