Post Office in Grant County, OR

Find The Office You Need

• Canyon City Post Office

  101 Clark Street, Canyon City, OR 97820

  541-575-1306
• Dayville Post Office

  145 Franklin Street, Dayville, OR 97825

  541-987-2762
• John Day Post Office

  151 North Canyon Boulevard, John Day, OR 97845

  541-575-1294
• Kimberly Post Office

  41345 Hwy 19, Kimberly, OR 97848

  541-934-2600
• Long Creek Post Office

  610 Hwy 395 N, Long Creek, OR 97856

  541-421-3414
• Monument Post Office

  177 North Street, Monument, OR 97864

  541-934-2223
• Mount Vernon Post Office

  101 East Main Street, Mount Vernon, OR 97865

  541-932-4818
• Prairie City Post Office

  150 South Main Street, Prairie, OR 97869

  541-820-4476
• Seneca Post Office

  112 Barnes Avenue, Seneca, OR 97873

  541-542-2232