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.

Mail Payments

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.

Online and Phone Payments

Payments can also be made Online and by phone at 1-800-283-4465

Upcoming Events

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 Apporach at the following events:

 Wednesday February 5, 2025 – 9:00am – 12:00pm

10th Annual Public Health Day at the New Mexico State Capitol rotunda
490 Old Santa Fe Trail, Santa Fe, New Mexico 87501

Friday February 7, 2025 – 9:00am – 12:00pm

American Indian Day at the New Mexico State Capitol rotunda
490 Old Santa Fe Trail, Santa Fe, New Mexico 87501

Wednesday February 26, 2025 – 9:00am – 12:00pm

Behavioral Health Day at the New Mexico State Capitol rotunda
490 Old Santa Fe Trail, Santa Fe, New Mexico 87501