Below we provide the Iowa child support office phone number and online website. The Child Support Enforcement agency in Iowa can help you establish and enforce a child support order as well as help establish paternity, collect unpaid child support payments and locate non-custodial parents. If you are looking to collect child support payments then contact the child support office in IA below, where you can file a complaint. The age of emancipation in Iowa is 18. The IA statute of limitation is 20 years from the date of each installment. Please note this site is for informational purposes only, do not use for legal advice.