Guaranty Bank (WI)
T2T: 1 minute 33 seconds
| Phone Number | 800-235-4636 | ||||||
| Customer Service Hours | Mon-Fri 8am-7pm, Sat 9am-3pm (CST) | ||||||
| What to expect | Guaranty Bank uses an automated system to route your call to a customer service representative (CSR). You will be asked to give your account number before speaking with the CSR. | ||||||
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