The 920-847 exchange is serviced by the following companies within the WASHIGTNIS ratecenter.
FRONTIER NORTH INC. - WI
Call are routed trough OCN 886 and CLLI - WAISWIXARS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in WASHINGTON ISLAND.
Who's number is 920-847 Numbers?