A method of verifying a geographic location of a participant of an on-line governmental lottery game includes accessing an agent server via the Internet from a player terminal. A request is provided for the participant to enter a telephone number where the participant can be reached and a verification code is provided. The entered telephone number is received. The geographic location of the received telephone number is determined. A telephone connection is established by calling the received telephone number. The verification code is received over the telephone connection. The participant is authorized to participate in the lottery game when the geographic location of the received telephone number is determined to be within an authorized jurisdiction and when the verification code received from the participant matches the verification code provided by the agent server.