The 608-257 exchange is serviced by the following companies within the MADISON ratecenter.
AMERITECH WISCONSIN
Call are routed trough OCN 9327 and CLLI - MDSNWI11DS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in MDSN MAIN ST DS0.
Who's number is 608-257 Numbers?