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US Post Office Post Office

Visit your local Post Office at 823 Arthur St to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office boxes, passports, gift cards, and more

Website: usps.com

Phone: (208) 454-5560

Cross Streets: Near the intersection of Arthur St and S 9th Ave

Closed now

  • Fri 8:30 AM - 5:00 PM

823 Arthur St Caldwell, ID 83605 ·1987.33 mi

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Reviews

yelp
1.5 11 reviews
5 star
1 4 star
1 3 star
0 2 star
1 1 star
8
Mark P. 10/11/21

This location is doing the best that it can. This location was built when the city was a fraction of its current size and it is maintaining pretty well.

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Lien S. 10/11/26

It's been more than 4 months and the post office can't fix the zip code error. When I put 83605 my deliveries gets sent back and when I put 83607 my mail is getting sent back. I can't win. Weekly...

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Amy S. 03/13/26

Always long lines, and I have only ever seen one person working the counter named Lana who couldn't be more rude if she tried. Forced greeting, no smile, then demands to know specifically what you...

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Gina V. 03/04/26

Clean and easy to navigate the self service options. Friendly customer service, knew the products well.

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Amy A. 10/23/25

my toddler son got a hold of my keys and my mailbox keys ended up off my key ring and lost. I actually waited for two weeks before I got a hold of the local Caldwell post office and asked them to...

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