For security reasons, please do not request a change of address using email. Instead, call us at (918) 336-7662 or (800) 897-6991. Our call center is open Monday-Friday, 7:30 a.m. to 6:00 p.m. CST. Or send your request in writing to P.O. Box 1358, Bartlesville, OK 74005-1358.