1. Massachusetts DOR - Child Support Enforcement
State Department of Revenue Child Support Services Division administers Massachusetts' child support program for all 14 counties: establishes paternity, sets support orders, enforces collection through wage withholding and license suspension, and processes modifications. Open a case online at cse.dor.state.ma.us or by phone; bring photo ID, the other parent's information, birth certificates, any prior orders, and recent pay stubs to interviews.
1-800-332-2733 · P.O. Box 9561, Boston, MA 02114