If you are looking for wmu willmar utilities, please check our official links below: Willmar Municipal Utilities https://wmu.willmar.mn.us/ Ways to Pay Willmar Public Utilities https://wmu.willmar.mn.us/customer-service/ways-to-pay/ Use our automated phone system to make a credit card payment. Simply dial 1-855-386-9902 and follow the prompts. Account number needed. Contact Willmar Public Utilities...