You can apply for child support: Online, using our electronic form; By mail or in person, using a paper form (Spanish Option). Salt Lake City, Utah 84116.Child Support Contact Info. Parents are required to provide the court with proof that their current income matches the income used in the support calculator. Complete the form and someone will contact you within 24 hours. Call the Help Desk – Families can call to receive technical support. The South Salt Lake Utility Assistance Program is a voluntary program to help low-income individuals and families with their utility bills. Since 2012, the Office of the Mayor has provided ACE funding to support and grow neighborhood and community events in Salt Lake City. This program assists individuals and families with food assistance, hot meals, clothing and furniture vouchers (when applicable). This page includes information and forms for modifying child support in an existing divorce, custody or parentage order.