Contact Us Your message has been sent. Thank you! Security Code: Please enter the security code: Please enter a valid captcha code. SUBMIT Highland Lakes UMC Street Address: 8303 W RR 1431 Buchanan Dam, TX 78609 Mailing Address: PO Box 1005 Buchanan Dam, TX 78609 Phone: 325-388-4187 Office Hours: Monday thru Thursday, 9:00am – 4:00pm