Buffalo, SD Post Office locations

• Fort Thompson

  Post Office	Address	Phone	Hours
  FORT THOMPSON	119 SD HIGHWAY 249 FORT THOMPSON, SD 57339 - 9998	605-245-2364	Mon-Fri 08:00 AM - 12:00 PM 12:30 PM - 02:30 PM Sat 10:00 AM - 11:30 AM Sun Closed

• Gann Valley

  Post Office	Address	Phone	Hours
  GANN VALLEY	229 MAIN ST GANN VALLEY, SD 57341 - 9998	605-293-3210	Mon-Fri 10:00 AM - 02:00 PM Sat 10:00 AM - 11:00 AM Sun Closed