Customer Service

Pharmacy is available 24/7 to refill prescriptions, order new prescriptions and check prescription status.

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Welcome to Costco Pharmacy Member Service. How can we help you?

Pharmacy Member Service

Phone: 1-800-607-6861

Fax: 1-800-633-0334

Email: webpharmacy@costco.com

Visit Costco Coronavirus Updates - Learn More for location hours and important information.

At any time, if the only reason you're coming to Costco is to visit the pharmacy, please let the person know at the front entrance. A member of the warehouse staff will escort you directly to the pharmacy instead of having to wait in line.

Hours of Operation:
A Costco pharmacy agent is available
Monday-Friday, 5:00 a.m. to 7:00 p.m. PT.
Saturday, 9:30 a.m. to 2:00 p.m. PT.