About ONCSS Contact Information Child Support Services Director: Michael Kidder Physical Address 1333 Grandview Ave, Pawhuska, OK 74056 (ONCSS is located within the Osage Nation Trial Court Building) Mailing Address PO Box 1299, Pawhuska, OK 74056 Phone: 918-287-5458 Fax: 918-287-5577 Email: oncss@osagenation-nsn.gov Payment Information: Support payments can be made in the office during regular
FORMS/APPLICATIONS Child Support Services Application Special Power of Attorney Affidavit of Child Support Paid Directly ADDITIONAL RESOURCES Osage Nation Child Support Code Federal Office of Child Support Enforcement (OCSE)