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Downtown Washington, Inc. CPU
located in the historic “Old Main Post Office”
serving your postal needs since November 1, 1922

123 Lafayette Street
corner of Second and Lafayette
postoffice@downtownwashmo.org
636-239-1743

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Click here to download the stamp order form.

Click here to download the stamp subscription form.

CPU stands for Contract Postal Unit. That means that we can do almost everything that the Post Office does at the same price, but a portion of your purchase stay here in downtown Washington.

Since we are an independant contractor for USPS, we earn commission. Therefore, when you purchase stamps here 9% is reinvested into downtown Washington and packages reinvest 19%!

WINDOW HOURS: Mon - Fri 8am - 6pm Sat 8am - 12pm Sun Closed LOBBY HOURS: Mon - Sat 7am - 8pm Sun Closed

We offer all postal services at the same prices as USPS. We are unable to process passports and postal money orders.

We accept many utility payments such as Ameren, Laclede Gas, Missouri Natural Gas AT&T and many others. The payments must be made in cash and carry fees ranging from $1.00 - $5.00 depending on the service.

We offer Western Union money orders. They must be purchased with cash and carry a $1.00 fee per $1000.00 purchased.