Hours Of Operations Coinstar California Walnut 91789 Coinstar Hours of Operation and Location in Walnut, CA 91789 4.9 - 177 votes 18730 Amar Rd, Walnut, CA 91789 Get Directions Coinstar Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore WalnutView More Apparel TJ MaxxH & MRainbowJusticeCoach Sports Evo24 Hour FitnessFreestyle Jewelry Avon Recommend For You Avenue 7-Eleven Dollar Tree Staples Rainbow Salvation Army Express Home Goods H & M Coach