Oswego County Child Support Unit
Mexico, New York
The Oswego County Child Support Unit is at 100 Spring Street, Mexico, NY 13114. Call the office at (315) 963-5000. It serves Oswego County.
How do I contact this office?
100 Spring StreetMexico, NY 13114
Mail: PO Box 436, Mexico, NY 13114
- Phone
- (315) 963-5000
- TTY
- (866) 875-9975
- Hours
- Tuesday to Friday, 8:30 a.m. to 4:00 p.m.; Monday, 4:00 p.m. to 6:00 p.m.
- Before you go
- By appointment only, per the state directory.
- childsupport@oswegocountyny.gov
- Fax
- (315) 963-5559
- Official page
- Office page
The county routes all child support calls to the NYS Child Support Helpline (888-208-4485).
Is this my office?
This office serves Oswego County.
Not your area? See every New York child support office.
Can I handle this without going in?
Often, yes. Many requests don't need a visit:
- Check your case and payments online in Online account.
- Pay online, by phone, or by mail: see every way to pay child support in New York.
- Ask about your case by phone at (315) 963-5000.
Going in person? Read "Before you go" above, and call first if you can.
What can I do at this office?
- In person payments (check, money order, or credit card)
- Locating absent parents
- Paternity establishment
- Support orders
- Enforcement
Other child support offices near Mexico
- Onondaga County Bureau of Child Support Services Syracuse · 29 miles away
- Madison County Support Collection Unit Wampsville · 37 miles away
- Jefferson County Child Support Enforcement Unit Watertown · 39 miles away
More help with New York child support
Office details come from the official New York office listing, checked October 18, 2026. Sunny Child Support is not affiliated with the Division of Child Support Services. Spot a mistake? Tell us.