The 920-668 exchange is serviced by the following companies within the CEDARGROVE ratecenter.
FRONTIER NORTH INC. - WI
Call are routed trough OCN 886 and CLLI - CDGVWIXARS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in CEDAR GROVE.
Who's number is 920-668 Numbers?