Existing merchants & general enquiries
24 hours a day, 7 days a week
8:00am – 8:00pm EST Monday-Friday
9:00am - 5:00pm EST Saturday
Leave a voicemail with details if a Security Analyst is not available
8:30 am to 5:30 pm EST Monday-Friday
1-800-349-8948
Existing clients will contact for a Voice Authorization if the terminal or software prompts; normally with a Call, Referral, or Voice response message. Callers can also perform Address Verification, obtain Issuing Bank Phone Numbers, report a Code 10, and Cancel a Voice Authorization
1-800-370-0466