The 920-904 exchange is serviced by the following companies within the FONDDU LAC ratecenter.
UNITED STATES CELLULAR CORP. - WISCONSIN
Call are routed trough OCN 6274 and CLLI - NWBLWICYCM1 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Who's number is 920-904 Numbers?