Yahoo
Cards
Self service area
Packing materials (forms are near counters)
Hours posted....
Inside mail slots!
Their hours
Forms needed tothe LEFT of counters. Most do require the PO to be open BUT wish some were avail in other locations. If PO closed-outta luck!
More packing but NOT all for flat rate.
United States Post Office Post Office

Visit your local Post Office at 797 Sam Bass Rd 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: tools.usps.com

Phone: (512) 238-9461

Cross Streets: Near the intersection of Sam Bass Rd and Chisholm Trl

Opening soon · 8 AM

  • Tue 8:00 AM - 5:30 PM

797 Sam Bass Rd Round Rock, TX 78681 ·1163.85 mi

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Reviews

yelp
2.0 85 reviews
5 star
17 4 star
5 3 star
6 2 star
6 1 star
51
Taylor C. 04/15/21

I used the click and ship option online for a flat rate box. Patricia helped me at the front desk and she was awesome. I am very unfamiliar with mailing things but she helped me assemble my box to...

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Shannon G. 03/31/25

Oh my gosh. The best service. They had 3 stations open. And the most friendliest postal workers. I had a package I needed to return. I showed my QR code and they printed a label for me. I also...

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John B. 08/28/24

This is a good USPS location. The clerks are friendly and professional and work through the crowd pretty efficiently. Often,there is a long line, but it moves pretty quickly. Supplies are well...

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Michael S. 09/06/25

Needed to drop off a time sensitive package on Saturday and the drop off bin is out of service so they have a basket in the lobby I couldn't get to because it's inaccessible during non business hours.

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Laura P. 07/15/23

I visited this Post office for the first time today. This is a very pretty post office with A brick veneer covered building. Parking lot is good size, I can't imagine anyone not being able to...

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