A cellular telephony device operatives to receive map data via a cellular network map data, and causes a region of a map having one or more selectable map elements to be displayed in a display in accordance with the map data. The cellular telephony device then causes selectable map element information to be displayed in the display in response to detecting a selection of one of the selectable map elements. In response to detecting a selection of the selectable map element information, the cellular telephony device sends, to a private network file server via the cellular network, a request for an electronic file document associated with the selectable map element information. The cellular telephony device then receives, via the cellular network, the file contents information corresponding to the request for the electronic file document, and causes at least a portion of the electronic file document to be displayed in the display.