1-877-378-6782 (1-877-3-SUNSTATE)

Contact Sun State

A merchant expert is standing at 877.3.SUNSTATE

At Sun State Merchant Services our goal is to provide the best customer service found in our industry. We pride ourselves on ensuring you have all the answers to your questions about our programs and products. Should you need more information, one of our knowledgeable merchant experts is standing by for you to contact us at 877.3.SUNSTATE.

New Customers
Phone: 877.3.SUNSTATE (877.378.6782)
Fax: 877.580.7769

Address: 6900 E Princess Suite 2256, Phoenix, AZ 85054
Hours of Operation: 8 am – 9 pm MST Mon-Fri

Open A Merchant Account Department:
Open a New Account with Sun State Merchant Services

Call 1.877.3.SUNSTATE option 1


Existing Customers:

Shipping & Supplies:
Terminal Paper, Ribbons, Imprinter Slips, Ink, Supplies for your POS terminal

Call 1.877.3.SUNSTATE option 1

Terminal Support Desk:
For help with your terminal, terminal training.
Call 1.800.228.0210 - OMAHA (have your merchant ID ready)
Call 1.800.647.3722 - NASHVILLE (have your merchant ID ready)
24 Hours a Day, 365 Days a Year

Voice Authorization Center:
Please contact when your terminal says "Call Center" or when initiating a "Code 10" verification on suspicious transactions.
Call 1.800.228.1122
24 Hours a Day, 365 Days a Year

Customer Service Department:
Statement & billing questions, batch & deposit information, bank account changes, name changes, additional locations.

Call 1-866-597-5721

Technical Support Department:
Adding new card types, repairs.

Risk Management / Security Department:
Please report any fraudulent sales, security questions, suspicious activity or sales that exceed your processing estimates.

Call 1.800.588.7545
Monday – Friday 8:30 a.m. – 5:30 p.m. (EST)

Credit Card Companies
Visa/MasterCard: 800-944-1111
American Express: 800-528-2121
Discover Card: 800-347-1111
Have your merchant ID number ready