These are common Credit Card Acronyms and Abbreviations used on this sites and are often written as acronyms. 24/7: 24 hours a day, 7 days a week AA – American Airlines or Citibank AAdvantage Platinum Select Credit Card AA EXE – Citibank AAdvantage Executive ABA: American Bankers Association ACH: Automated Clearing House ACS: Authorization, Clearance, […]
