PharmacyPhone last confirmed
Costco Pharmacy official phone number
Find the official Costco Pharmacy phone number listed for Costco Mail Order Pharmacy. Confirm the company's source page before sharing information or starting a call.
Public U.S. number listed on the source
1-800-607-6861
This number was visible on the linked official source when it was checked on October 17, 2026. Phone numbers and departments can change, so use the source link below to confirm it before calling. A source check cannot establish who is calling you.
Open Costco Pharmacy official sourceSource and department details
- Department or route
- Costco Mail Order Pharmacy
- Source checked
- October 17, 2026
- Latest listing review
- October 17, 2026 — phone confirmed on the official source.
Evidence from the official source
Costco Mail Order Pharmacy: +1 (800) 607-6861. Mon - Fri: 5am - 7pm PT. Sat: 9:30am - 2pm PT.
Mail-order pharmacy only, not every local Costco pharmacy. Technical support has a separate number.
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