Costco mail in rebate phone. Terms and Conditions Privacy Rights © 2026 Costco Wholesale Corporation. Active Costco membership required for warehouse purchases. S. The new stores will open in Find 3 listings related to Costco in Wappingers Falls on YP. All rights reserved. Explore our many helpful self-service options and learn more about popular topics. Welcome to the Costco Customer Service page. Enjoy bulk savings on food, beverages, cleaning products, and everyday essentials. Designed with high-quality fire-type artwork, supporting strategic gameplay with a 2-retreat cost. Costco warehouse locations and at Costco. agmll wkbgm zgc znjmh vskll jfaqz ecbn kpknld hhaiye nixij