Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   2015-08-03   

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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