72/7 Sangkhakadprachanusorn Rd.
Nang Rong, Buriram 31110, Thailand
Tel: +66 (0) 4462 2690, Fax: +66 (0) 4462 4154
Mailing Address: Opportunity Foundation Thailand P.O. Box 10 Nang Rong, Buriram 31110
In the USA: Opportunity Foundation 1255 N. Gulfstream Ave. #1202 Sarasota, FL 34236