: A significant benefit is Costco's tendency to maintain "old" pricing for a short window after a USPS rate increase. Members may find signage at checkouts indicating that stamps will be sold at the previous rate for several weeks following a national price hike.
: These prices are reserved for members. Notably, stamp purchases are often excluded from the Executive Membership 2% Reward program. Product Options and Format Costco exclusively sells Forever Stamps buying postage stamps at costco
Costco is one of the few retailers authorized to sell USPS Forever Stamps at slightly below their face value. : A significant benefit is Costco's tendency to
, which retain their value for a one-ounce letter regardless of future price increases. Can You Get Stamps at Costco? Notably, stamp purchases are often excluded from the
: Generally, a roll of 100 stamps at Costco is priced slightly lower than the equivalent at a post office—for example, $77.75 versus a $78.00 retail price as of April 2026.