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“I have to visit the post office 2-3 times per week, and every time I go to the Cottleville post office, I'm greeted with smiles by the friendly staff. Their store is neat, clean, and well stocked with all the products I need for shipping. Thank you to the ladies at this location for always being a bright point to my busy day.”
8:30AM - 6PM
16105 Swingley Ridge Rd, Chesterfield
Post Offices
“We worked with Twyla at a passport appointment and she got it done so quickly and easily! At the other location, they kicked us out because we didn’t have enough time to fill out our application and complete the appointment. Today, Twyla helped us get our passport so efficiently and we love it. Definitely will return to this location for another. :)”
“The clerks are always helpful and friendly. They definitely don't get enough credit for the hard work they do here. They may not have all the amenities available at larger locations, but as a local post office it's well stocked. Expect to be in and out within 10 mins, there's usually a few folks in line. Have some patience and cut these folks some slack.”
“Found this post office along my travel route about 20 minutes before closing to mail a package. There was a long line, but the employees worked diligently and efficiently. Very pleased with the prompt and kind service.? Thank you!”
“Went in person because we were having so much trouble with a credit card getting to a resident in O'Fallon. The assistant was very helpful and we finally had the issue resolved when she spoke with the Carrier and we realized that they did have the wrong address, but it was so similar that on the phone The elderly person couldn't tell the difference. Thanks for listening!!”
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“John at the front desk is an extremely friendly man! Has excellent customer service and you can tell he truly cares about taking care of his customers!
He helped me 7/18/25”