Anyone who filed a tax return for 2002 can file Form 4868 by
phone. The telephone system will accept extensions any time
from February 2 through April 15, 2004, and your extension will
be good through August 16, 2004. Filing by telephone is
advantageous because it is free and you get a confirmation
number.
The last filing date is April 15 or you can alway apply for an automatic extension.
Form 4868.
Link to the IRS