Here are some of the most commonly used payment processor contact information. Note: Some of these processors may only have phone support available TSYS Information Email: customersupport@tsys.com General Sales Phone: 888.845.9457 Support for PAX, TransIT Pass and ISV Software Phone: 855.882.0507 First Data Merchant Support for Small Businesses Phone: 877.810.9315 Priority/Bold Support ...
