Post Office

The Waterloo Post Office is a full service Post Office and is located at 305 East Fourth Street. The phone number for the Waterloo Post Office is 939-7317.

Hours:
Weekdays 8:30 a.m. – 5:00 p.m.
Saturdays 8:30 a.m. – 11:30 p.m.

For information on postal services available from your computer or for more information, visit www.usps.com