A voicemail system (100) can include at least one processor (104) and at least one communication interface (102) operatively linked and in communication with the at least one processor (104) that is configured to receive an incoming call. The voicemail system (100) can further include at least one memory (108) operatively linked and in communication with the processor (104), wherein the at least one memory (108) is configured to store a call treatment application (112) that includes at least one rule for determining call handling treatment of the incoming call. A method (400) for operating the voicemail system (100) can include receiving (406) an address message (200) at the voicemail system (100), wherein the address message (200) identifies at least a called party number (206) of the incoming call. The method (400) can further include analyzing (406) the address message (200) to determine (408) which of a plurality of call handling treatment rules to apply, and applying (410) at least one of the call handling treatment rules.