Mercer County Prothonotarys Office

Court

105 Courthouse, Mercer, PA 16137

Hours are not published. Call before you go.

Hours and addresses come from the State Department listing, updated November 2, 2026.

Directions Facilities in Mercer Facilities in Pennsylvania

Mercer County Prothonotarys Office accepts new U.S. passport applications in person in Mercer, PA. Call ahead about appointments and the acceptance fee. The USPS scheduler covers post offices only. How to apply · How to renew