This excerpt taken from the DVN DEF 14A filed Apr 24, 2009.
Will each stockholder in our household receive proxy materials?
Generally, no. We try to provide only one set of proxy materials to be delivered to multiple stockholders sharing an address unless you have notified us to the contrary. Any stockholder at a shared address may request delivery of single or multiple copies of proxy materials for future meetings by contacting us at Devon Energy Corporation, Attention: Corporate Secretary, 20 North Broadway, Oklahoma City, Oklahoma 73102-8260, email: firstname.lastname@example.org or call (405) 235-3611.