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US Post Office Post Office

Visit your local Post Office at 10401 International Plaza Dr 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: (314) 428-5380

Cross Streets: Between Saint Charles Rock Rd/San Carlos Ln and International Plaza Ct

Open now

  • Fri 9:00 AM - 5:30 PM

10401 International Plaza Dr St Ann, MO 63074 ·594.58 mi

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Reviews

yelp
2.0 14 reviews
5 star
3 4 star
1 3 star
1 2 star
0 1 star
9
Stephanie F. 07/15/23

I've always had great and friendly service at this post office. it is small and efficient. always the same friendly man working and he is extremely personable even initiates conversation with my...

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Olga H. 06/25/25

I guess no one answers the phones....so annoying. Even going down there doesn't help....i just wanted to make a complaint because I haven't been receiving my mail in over 2 months and when it does...

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Wanda M. 05/12/25

The wait was so long , I was the second person in line and waited 20 minutes because the guy kept messing up. Thank God I was just in the neighborhood.

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Leah A. 01/13/25

This post office should be shut down. I haven't received my mail in over a week and I have the app and it should that I was supposed to get 2 bills and important information from my work. Such a...

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Philip M. 01/04/22

Elderly man very helpful and helped me prepare for my passport with the form and help navigate to set up appointment online. Plenty of parking in the morning. Location is tucked back behind...

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