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Caldwell Post Office

823 Arthur St, Caldwell ID 83605
2.3/5 3 Ratings
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About

  • Address: 823 Arthur St, Caldwell ID 83605 Large Map & Directions
  • Phone: 208-454-5560
  • Fax: 208-459-9304
  • TTY: 877-889-2457
  • Toll-Free: 1-800-Ask-USPS® (275-8777)
  • Retail Hours:
    • Monday: 8:30AM - 5:00PM
    • Tuesday: 8:30AM - 5:00PM
    • Wednesday: 8:30AM - 5:00PM
    • Thursday: 8:30AM - 5:00PM
    • Friday: 8:30AM - 5:00PM
    • Saturday: 10:00AM - 12:00PM
    • Sunday: CLOSED
  • Lobby Hours:
    • Monday: 24 HOURS
    • Tuesday: 24 HOURS
    • Wednesday: 24 HOURS
    • Thursday: 24 HOURS
    • Friday: 24 HOURS
    • Saturday: 24 HOURS
    • Sunday: 24 HOURS
  • Last Collection Times:
    • Monday: 5:30PM
    • Tuesday: 5:30PM
    • Wednesday: 5:30PM
    • Thursday: 5:30PM
    • Friday: 5:30PM
    • Saturday: 5:30PM
    • Sunday: CLOSED
  • Bulk Mail Acceptance Hours:
    • Monday: 8:00AM - 11:00AM, 12:00PM - 2:45PM
    • Tuesday: 8:00AM - 11:00AM, 12:00PM - 2:45PM
    • Wednesday: 8:00AM - 11:00AM, 12:00PM - 2:45PM
    • Thursday: 8:00AM - 11:00AM, 12:00PM - 2:45PM
    • Friday: 8:00AM - 11:00AM, 12:00PM - 2:45PM
    • Saturday: 8:00AM - 11:45AM
    • Sunday: CLOSED
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Services Offered at this location

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Sure Money
  • Street Parking

Reviews & Feedback

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1/5
News paper says you're backed up and short staffed. USPS website says you're hiring. City carriers and assistants? Mail handlers? "No jobs available" So, where are you hiring?
James Barrick ● Sep. 24,2026
1/5
Shipped with USPS [Pack of 2] Panasonic CR2354 3V Lithium Sold by: New-Age Commerce Track package Order placed September 17, 2026 Order # 112-0078603-7252254 Delivery attempted today at 5:54 PM [Pack of 2] Panasonic CR2354 3V Lithium Cell Blister Packaging Battery Unfortunately, USPS ran into an issue when attempting your delivery Delivery attempted, but mailbox was full. 9339589717668589920932
Blake titus ● Sep. 24,2026
5/5
Everyone is always kind and helpful.
Janice Rossing ● Nov. 27,2022

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