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: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-643 A Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 0 Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 1 Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 2 Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 3 Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 4 Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 5 Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 6 Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 7 Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 8 Sauk City WI SKCYWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-643 9 Sauk City WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.