USPS Post Office Waterloo Annex - Waterloo
3314 Marnie Ave, 50701 Waterloo
Today
Today's opening hours
This week's opening hours
Call Referral
- Monday 8:00 am to 4:30 pm
- Tuesday 8:00 am to 4:30 pm
- Wednesday 8:00 am to 4:30 pm
- Thursday 8:00 am to 4:30 pm
- Friday 8:00 am to 4:30 pm
- Saturday 8:00 am to 4:30 pm
- Sunday Closed
Other opening hours
Carrier Call Referral
- Monday to Friday
- 8:00 am to 5:00 pm
- Saturday
- 8:00 am to 4:30 pm
- Sunday
- Closed
Opening hours updated on 11/07/2026
Report a changeThis Post Office at a glance
Opening hours of USPS Post Office Waterloo Annex - Waterloo: Monday to Saturday from 8:00 am to 4:30 pm; closed Sunday.
- Opening hours a week
- 51h
- Opening hours a week
- Days open, Monday to Saturday
- 6/7
- Days open, Monday to Saturday
- Earliest opening, Monday to Saturday
- 8:00 am
- Earliest opening, Monday to Saturday
- Latest closing, Monday to Saturday
- 4:30 pm
- Latest closing, Monday to Saturday
- Open all day
- No break
- Open all day
Special days ahead
Public holidays, closures and special opening hours over the next two months.
- Wednesday, November 11 Veterans Day Opening hours not confirmed
- Thursday, November 26 Thanksgiving Day Opening hours not confirmed
- Friday, December 25 Christmas Opening hours not confirmed
- Friday, January 1 New Year’s Day Opening hours not confirmed
Services
Services Available: 3
Parking 1
Contacts 3
Sending from this Post Office
- First-Class Mail from From $0.65 up to Postcards
- Shipping Services from From $7.90 up to USPS Ground Advantage (2–5 days)
Indicative rates subject to change by the postal operator.
- Open
- Closing soon
- Closed
- Opening hours not confirmed
- This address
Practical information
Good to know
USPS Post Office Waterloo Annex - Waterloo is in Waterloo, at 3314 Marnie Ave. It opens 6 days a week, Saturday included.
When it is closed, the nearest other offices are USPS Post Office Cpu Hy Vee 1860 (1.1 mi) and USPS Post Office Cpu Hy Vee 1866 (3.6 mi).
The next public holiday is Veterans Day, Wednesday, November 11. Opening hours often change that day: check them before you go.
Frequently asked questions
Is USPS Post Office Waterloo Annex - Waterloo open on Saturday?
Yes It is open on Saturday from 8:00 am to 4:30 pm.
Is USPS Post Office Waterloo Annex - Waterloo open on Sunday?
No It is closed on Sunday.
What time does USPS Post Office Waterloo Annex - Waterloo close?
It closes Monday to Saturday at 4:30 pm.
Is there a cash machine?
This Post Office does not list a cash machine.