Interchange Rules & Rates

Card Brand (Association) Websites

Industry Resources

Fraud Protection Information

Help Desk / Customer Support Phone Numbers

First Data Help Desk:
Omaha: 800-228-0210
North: 800-762-6663
Nashville: 800-647-3722

Paymentech: 800-354-8893

TSYS (previously FNMS): 800-228-2443

WorldPay: 800-859-5965

First American Payments: 800-859-5965

Granite Processing: 888-580-7340

Authorize.Net Customer Support: 877-447-3938

PCI Verification and Scanning Vendors

Control Scan: 800-825-3301

Security Metrix: 800-557-4684

Trust Wave:
FNMS: 800-210-1173
Bank of America: 866-659-9066