Greg’s Xpress Oil Change Return to Central California Businesses Directory Greg’s Xpress Oil Change Claim Listing Return to Central California Businesses Directory Description Details Address 1070 W Olive Ave City Porterville State California ZIP Code 93257 Phone (559) 781-2501 Listing Category Automobile Lubrication Service - Listings Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?