1. Arizona Division of Child Support Services
DCSS, housed inside the Department of Economic Security at 3443 N Central in Phoenix, is the state IV-D agency. Staff establish paternity, set guideline orders, enforce withholding, and intercept Arizona tax refunds for arrears. Mothers can open a case for free regardless of public-benefits status. Call 602-252-4045 or apply online; have the father's last known address and employer ready.
602-252-4045 · 3443 N Central Ave, Phoenix, AZ 85012