Voice Authorization Center:

Please contact when your terminal says "Call Center" or when initiating a "Code 10" verification on suspicious transactions:

Visa®/MasterCard: 800-291-4840
American Express: 800-528-2121
Discover Card: 800-291-4840

Have your merchant numbers ready.

Sales Department:

Merchant Accounts, Check Services, Equipment, Gift Cards, Age Verification

Customer Service Department:

Statement & billing questions, batch & deposit information, bank account changes, name changes, additional locations

Technical Support Department

Terminal help desk, adding new card types, repairs

Shipping & Supplies

Paper, Ribbons, Imprinter Slips, Ink, supplies for your POS terminal

Risk Management Department:

Please report any fraudulent sales, suspicious activity, or sales that exceed your processing estimates

Sales Partner Relations Department:

Independent Sales Offices and Agents will have more detailed support and information available. If you do not have access to this system please contact your Relationship Manager.


Call Us for Help or complete the form below and we will contact you within 24-hours.

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American Card Systems  | 9858 Glades Road #196, Boca Raton, Florida 33434
Toll Free 866-465-1300   | Fax 866-210-7300 |  Email:

American Card Systems is a registered ISO/MSP of Wells Fargo Bank, N.A., Walnut Creek, CA.
American Express requires separate approval. © Copyright 2009. American Card Systems