Contact If you are a human and are seeing this field, please leave it blank. First Name Last Name Email Your Message Address: P.O. Box 76036 1500 Upper Middle Rd. West Oakville, Ontario, L6M-3H5 Phone: 905-483-6787 (OPUS) The Oakville Chamber Orchestra is a registered Canadian charitable organization. Charitable Registration Number: 88967 4222 RR0001.