CPU
57104
Cpu Lewis Westgate
Contract Postal Unit
2700 W 12th St
Sioux Falls, SD 57104
Mon-Sat 8:00am - 8:30pm, Sun 12:00pm - 6:00pm
Sioux Falls, SD Post Offices
Sioux Falls has 2 locations serving ZIP codes 57104 and 57110, spanning about 4.6 miles. Each location sets its own hours and services, so confirm before you visit — see the cards below for the one nearest you.
Apply for a PO Box
Compare box sizes and pricing, and see what you need to apply.
Hold Mail Service
Pause mail delivery for up to 30 days, free, while you're away.
Change of Address
File your address change directly with USPS to forward your mail.
All 2 locations in Sioux Falls
Sorted by ZIP code.
CPU
57110
Cpu Hy Vee Store 1624
Contract Postal Unit
1601 S Sycamore Ave
Sioux Falls, SD 57110
Mon-Sun 7:00am - 10:00pm
Helpful guides
Money Orders
Money orders are a safe way to send payments through the mail. See current fees and maximum amounts.
Post Office Holiday Schedule
Post offices close for all federal holidays. See this year's full schedule so you can plan ahead.
Post Office Weekend Hours
Weekend hours vary a lot by location. See typical Saturday and Sunday patterns before you visit.