The 608-643 exchange is serviced by the following companies within the SAUK CITY ratecenter.
FRONTIER NORTH INC. - WI
Call are routed trough OCN 886 and CLLI - SKCYWIXADS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in SAUK CITY.
Who's number is 608-643 Numbers?