Plus: the best credit cards to use at AT&T Internet for maximum rewards in 2026.
By PointsPick Team, Credit Card Research Team · Updated April 2026
AT&T Internet uses MCC code 4816 (Computer Network Services). The best credit card is the Ink Business Cash, earning 5x rewards on this category.
AT&T Internet transactions are processed under MCC 4816 (Computer Network Services, category: utilities). These cards earn the highest rewards:
| Card | Earning Rate | Annual Fee | Issuer | |
|---|---|---|---|---|
| Ink Business Cash | 5x | No annual fee | Chase | Apply Now |
| Ink Business Preferred | 3x | $95/yr | Chase | Apply Now |
| AAdvantage Aviator World Elite Business | 2x | $95/yr | Barclays | Apply Now |
| AAdvantage Business World Elite | 2x | $99/yr | Citi | Apply Now |
| Southwest Plus | 2x | $99/yr | Chase | Apply Now |
Rates and fees as of April 2026. Verify with issuer before applying.
AT&T Internet uses MCC code 4816, which is classified as "Computer Network Services". This determines which credit card bonus categories apply to purchases at AT&T Internet.
The best credit card at AT&T Internet is the Ink Business Cash, which earns 5x points/miles on purchases coded as MCC 4816 (Computer Network Services).
AT&T Internet uses MCC 4816 (Computer Network Services). This means purchases at AT&T Internet do NOT qualify for grocery credit card bonuses, which require MCC 5411 (Grocery Stores and Supermarkets).