In one implementation, a computer-implemented method includes identifying, by a computer system, a plurality of voicemail messages that are associated with a particular user and that are from a plurality of voicemail sources; and generating, by the computer system, a plurality of graphical display elements that represent the identified plurality of voicemail messages and that include source identifiers that indicate a voicemail source from the plurality of voicemail sources for each of the plurality of voicemail messages. The method can further include providing the plurality of graphical display elements with the source identifiers for the plurality of voicemail messages in a user interface through which the plurality of voicemail messages from the plurality of voicemail sources are caused to be played based on received user input.