Post Office in Mariposa County, CA

Find The Office You Need

• Catheys Valley Post Office

  2675 Highway 140, Catheys Valley, CA 95306

  209-374-3481
• Coulterville Post Office

  5008 Main Street, Coulterville, CA 95311

  209-878-3635
• El Portal Post Office

  5508 Foresta Road, El Portal, CA 95318

  209-379-2311
• Fish Camp Post Office

  7733 Fish Camp Lane, Fish Camp, CA 93623

  559-683-4815
• Hornitos Post Office

  2885 Bear Valley Road, Hornitos, CA 95325

  209-376-2373
• Mariposa Post Office

  5109 Jessie Street, Mariposa, CA 95338

  209-966-5798
• Midpines Post Office

  6629 California 140, Midpines, CA 95345

  209-966-3055