Infintech Credit Card Processing Infintech Visit Website 1353 Morning Ave. Columbus, OH 43212 (614) 313-2605 (800) 621-8931 (614) 487-9557 (fax) LinkedIn About About Smarter payment processing for small and medium sized businesses. If a business accepts V/MC/D/Amex, we can save them between 30% and 40% on their monthly porcessing.