Wonder Oil Products, Inc. P.O. Box 1831 Middletown, CA 95461 1-707-252-7555 Toll Free 1-866-695-8994 You may place your order on our secure voice mail system any time
or if you would rather speak to someone: Best time to call the office is: 10AM - 2PM, Mon., Wed., Fri.
Outside of these hours, calls are answered in the office or forwarded to one of several cell phones.
If for some reason your call is not answered, it will be returned quickly, so please leave us a message with your best time to call.
