Post Office in Custer County, ID

Find The Office You Need

• Challis Post Office

  601 Main Street, Challis, ID 83226

  208-879-2705
• Clayton Post Office

  101 Main Street, Challis, ID 83226

  208-838-2335
• Ellis Post Office

  26375 Hwy 93, Ellis, ID 83235

  208-876-4472
• Mackay Post Office

  111 Main Street, Mackay, ID 83251

  208-588-2679
• Stanley Post Office

  36 Ace of Diamonds Street, Stanley, ID 83278

  208-774-2230