A system and method of routing calls made to a called party Universal Access Phone Number (UAPN) in a telecommunications network is provided. The method includes determining the time the call is made, determining the day the call is made, selecting a time/day-phone number for a destination phone number based on the time the call is made and the day the call is made, and routing the call to the called party terminal using the destination phone number. The system selects a time/day-phone number for a destination phone number based on the time the call is made and the day the call is made, and routes the call to the called party terminal using the destination phone number.