American Credit Card Processing Corp., a Division of Priority Payment Systems. Share: FINANCIAL SERVICESCREDIT CARD PROCESSING American Credit Card Processing Corp., a Division of Priority Payment Systems. Visit Website 149 Main Street Huntington, NY 11743 (516) 313-0239 (631) 385-7405 (fax) www.prioritypaymentsystems.com About Map About Credit Card Processing; merchant services What's Nearby? Distance: 5 10 15 20 25 50 mi.