The USPS was founded in 1775 and Benjamin Franklin was the first Postmaster General.
Below you'll find any US Post Offices that we've found in Ontario, WI.
1415 Pearl St
Bangor, WI - 54614
608-486-4025
119 Main St
Camp Douglas, WI - 54618
608-427-6602
911 Front St
Cashton, WI - 54619
608-654-7750
266 Main St
Elroy, WI - 53929
608-462-8240
225 Orin St
Gays Mills, WI - 54631
608-735-4450
We are slowly building our database of post office locations, hours, photos, comments and helpful descriptions.