Welcome to the Child Support Lien Network

Contact Colorado

Colorado Department of Human Services
Office of Economic Security
Division of Child Support Services
1575 Sherman Street, 5th Floor
Denver, CO 80203
Phone: 303-866-5172
Fax: 303-866-4380

For insurance company representatives with Child Support Lien Network (CSLN) related questions, please call CSLN toll-free at 888-240-7488 or send us an e-mail at

Confidentiality statements should be faxed to 781-623-8030.