Marquette County Child Support Agency
Montello, Wisconsin
The Marquette County Child Support Agency is at 428 Underwood Avenue, Montello, WI 53949. Call the office at (608) 297-3124. It serves Marquette County.
How do I contact this office?
428 Underwood AvenueMontello, WI 53949
- Phone
- (608) 297-3124
- TTY
- (877) 209-5209
- Before you go
- Call to set up an appointment if you need help signing up for online services.
- Official page
- Office page
Is this my office?
This office serves Marquette County.
Not your area? See every Wisconsin 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 Child Support Online Services.
- Pay online, by phone, or by mail: see every way to pay child support in Wisconsin.
- Ask about your case by phone at (608) 297-3124.
Going in person? Read "Before you go" above, and call first if you can.
Other child support offices near Montello
- Columbia County Child Support Agency Portage · 19 miles away
- Green Lake County Child Support Agency Green Lake · 19 miles away
- Waushara County Child Support Agency Wautoma · 20 miles away
More help with Wisconsin child support
Office details come from the official Wisconsin office listing, checked October 18, 2026. Sunny Child Support is not affiliated with Wisconsin Department of Children and Families, Bureau of Child Support. Spot a mistake? Tell us.