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The Health Care Authority’s mission is: We ensure that New Mexicans attain their highest level of health by providing whole-person, cost-effective, accessible, and high-quality health care and safety-net services.
The Health Care Authority’s mission is: We ensure that New Mexicans attain their highest level of health by providing whole-person, cost-effective, accessible, and high-quality health care and safety-net services.
Consolidated Customer Service Center: 1-800-283-4465
Quick Payment Answers 24/7: 1-800-283-4465
Email: Child.Support@hca.nm.gov
Please provide only your name and case number in your email. Email is not transmitted over secure servers; therefore, email is not safe for sending your confidential information, such as date of birth or social security number. CSSD will not request that you send this type of information by email.
Or sign up at: New Mexico Child Support Online Portal
CSSD is now communicating via text messaging. To ensure you receive text messaging reminders, contact customer service and update your account with a cell phone number. CSSD will never communicate or request personally identifiable information through a text message. You may contact Customer Service if you want to verify a CSSD text message you received.
State of New Mexico
Child Support State Disbursement Unit
PO Box 200796
Dallas, TX 75320-0796
*Please make sure to include your New Mexico CSSD case number with your mailed payments.
Payments can also be made Online and by phone at 1-800-283-4465
Would you like to notify Child Support management of the good service you received? Please email us at hca-cssd.constituentserv@hca.nm.gov and let us know! Please provide your case number, name of the child support staff member and what they accomplished for reference. The information will be shared with the manager of the staff member to make sure they are recognized for their good work.
Health Care Authority staff from the Child Support Services Division will be providing information about the HCA-CSSD program, assistance for families and to celebrate 50 Years of Child Support in New Mexico: Advancing a Modern Family-Centered Approach at the following events:
Saturday June 7th 2025, 10:00 am – 2:00 pm.
Anthony, NM Free Legal Fair South Valley Community Center – 875 Anthony Drive – Anthony, NM 88021