System maintenance is scheduled for Tuesday, July 13, beginning at 6:30 PM and lasting until approximately 12 AM. During this time, Sunmark’s Online Banking, Mobile Banking, myTMs, and TAMI will be unavailable.

We apologize for any inconvenience.

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Contact Us

The Member Solution Center and its employees are located at the Sunmark headquarters in Latham, NY. 

866-SUNMARK (866-786-6275)

member SOLUTION CENTER AND CHAT HOURS

Monday: 8:00am – 5:00pm
Tuesday: 8:00am – 5:00pm
Wednesday: 9:30am – 5:00pm
Thursday: 8:00am – 6:00pm
Friday: 8:00am – 6:00pm
Saturday: 9:00am – 1:00pm
Sunday: CLOSED

Solution Center and Chat closed? Shoot us an email and we will reply back as soon as possible!