Costco Warehouse Locator: https://www.costco.com/warehouse-locations
Long time member, but I think this is my first post. Saw this when I was getting the iPhone XR deal.
Bring your own device and activate with T-Mobile get a $300 Costco Shop Card via online redemption. Requires activation of a new postpaid line of service on a compatible GSM phone. Plus Tax. Qualified activation at Wireless Center required.
March 5 - 11, 2021