Plus: the best credit cards to use at Costco Electronics for maximum rewards in 2026.
By PointsPick Team, Credit Card Research Team · Updated April 2026
Costco Electronics uses MCC code 5732 (Electronic Sales). The best credit card is the Business Platinum, earning 2x rewards on this category.
Costco Electronics transactions are processed under MCC 5732 (Electronic Sales, category: home). These cards earn the highest rewards:
| Card | Earning Rate | Annual Fee | Issuer | |
|---|---|---|---|---|
| Business Platinum | 2x | $695/yr | American Express | Apply Now |
Rates and fees as of April 2026. Verify with issuer before applying.
Costco Electronics uses MCC code 5732, which is classified as "Electronic Sales". This determines which credit card bonus categories apply to purchases at Costco Electronics.
The best credit card at Costco Electronics is the Business Platinum, which earns 2x points/miles on purchases coded as MCC 5732 (Electronic Sales).
Costco Electronics uses MCC 5732 (Electronic Sales). This means purchases at Costco Electronics do NOT qualify for grocery credit card bonuses, which require MCC 5411 (Grocery Stores and Supermarkets).