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 Alton, IL.
120 W Washington St
Belleville, IL - 62220
618-233-0390
5731 Mount Pleasant Ln
Belleville, IL - 62223
618-397-6616
106 E Central Ave Ste 1
Benld, IL - 62009
217-835-2178
115 W Central St
Bethalto, IL - 62010
618-377-8714
410 N Main St
Brighton, IL - 62012
618-372-3011
We are slowly building our database of post office locations, hours, photos, comments and helpful descriptions.