This page contains Grand Theft Auto 4 Hints for Playstation 3 called "Prank phone calls" and has been posted or updated on May 3, 2008 by bryant0001. Let us know what you think of this Hint by thumbs voting.
Prank phone calls
Take note of phone numbers on graffiti or ads on buildings on in the subway. Call those numbers on Niko's cellphone to make a prank phone call.
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