USPS
124 2nd St Sw
Mount Vernon, IA 52314-1600
319-895-6123
Business Hours:
Mon
08:30AM - 04:30PM
Tue
08:30AM - 04:30PM
Wed
08:30AM - 04:30PM
Thu
08:30AM - 04:30PM
Fri
08:30AM - 04:30PM
Sat
08:30AM - 10:30AM
Payment Types
Please call for payment types