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“Jennifer and Jonna were super helpful. They are so kind, polite and supportive for all the needs. I even had to come back and forgot something and to have my concerns promptly handled professionally was a breath of fresh air. This was the best USPS experience I have ever had and will recommend everyone this location. I wish every rep in post offices were like Jennifer and Jonna.”
“Caseyville Post Office is the Best post office I have ever been in. Margaret the manager is amazing and super nice and helpful. 1st time ever giving and post office high remarks but Caseyville, IL with Margaret is amazing👍”
“Nice people, jiffy service.
As of December 2025, their hours are Monday - Friday from 9:00am - 4:00pm, but CLOSED FOR LUNCH from 12:25pm - 1:15pm.
Saturday they are only open from 9:00am - 12:00 noon.”
9:30AM - 1:30PM 2:30 - 5PM
309 N Douglas St, St Jacob
Post Offices
“What great service. I needed a package mailed, and she took it upon herself to neatly create the shipping lablel and tape it well. I have had great service like this in other countries, but it is rare in the US. Great job.”
9AM - 12PM 1 - 4PM
201 Federal Aid Secondary 1780, Lebanon
Post Offices
“I was weak and unable to stand up on my walker to wait for the VanGo bus to pick me and my homemaker back up for me to return home. My homemaker asked for a stool for me to sit down in the lobby, and the postal worker provided me one to sit on until the bus came.”
“It's a typical small town location. I often have to call out for an employee, but people are always available and nice. I even went here during the height of Covid when we had to form a line outside and go in one at a time. I've seen worst post offices”
“I have no complaints about my experience here. There were two people in front of me and two behind me and we all got the same treatment and respect. My own ignorance to what I needed to do was my only holdup but I was given accurate assistance to get what I needed done. They for sure sell stamps and can mail things certified.”
8:30AM - 5PM
10850 Lincoln Trail #20, Fairview Heights
Post Offices
“Clerk was very sweet! The kiosk was down when I went in. She did let me know they tried to fix it and ordered a new part for it. Wasn’t too long of a wait, but there was only one register open.”
8:30AM - 6:30PM
5731 Mt Pleasant Ln, Belleville
Post Offices
“I’ve never had any issues with this location. The staff is professional, personable and very helpful. I’ve had my same PO Box for over 10 years and I’ve never had any problems that the team didn’t resolve right away. If I could rate a 10, I would!”
8:30AM - 5PM
1610 Eastport Plaza Dr, Collinsville
Post Offices
“Had such a wonderful and friendly experience today while mailing out my dad's box. The clerk was so nice and handled the transaction with utter professionalism! Thanks for the hard work and kindness!”
“I went in to have a package delivered.
Only took a few minutes.
The clerk was great. I was given a few options. I chose what I wanted. I paid and left.”
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“Really helpful staff. Also; good to support usps. Awesome mission serving all of USA.
Edit: yikes. Lots of Karen’s and Kevin’s in these reviews. Maybe don’t vote for people actively defunding the post office and they won’t be so stressed out to help y’all.”