About Us

Contact Us

Customer Service
(800) 939-9942

RMSChanges@Westamerica.com
7:00 a.m. – 5:30 p.m., Monday – Friday

Redwood Merchant Services
3750 Westwind Blvd, Suite 210
Santa Rosa, CA  95403

Risk/Dispute Management
(800) 385-6212
Risk@Westamerica.com
Fax: (707) 576-6212
7:00 a.m. – 5:30 p.m., Monday – Friday 

Technical Support
For merchant numbers beginning with "4"
Fiserv Technical Support
(formerly First Data)
(800) 228-0210
24/7, 365 days a year

For merchant number beginning with "9"
TSYS Technical Support
(800) 552-8227
24/7, 365 days a year

RMS Sales
(800) 347-6007
Scott.Tucker@Westamerica.com
Scott Tucker, Vice President
Cell: (707) 321-1374

Contact Us

(800) 939-9942
RMSChanges@Westamerica.com
Call our expert customer service representatives today or send a message to be contacted within 24 hours.



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