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Post Offices in Mattoon, IL
2 post offices in Mattoon, Coles County · Data as of 09/23/2026
Post offices on this page
Post offices in Mattoon at a glance
- There are 2 post offices in Mattoon, or roughly one for every 8,293 people.
- It ranks 24th among 1,142 Illinois cities by number of post offices.
- Close by, Charleston (2), Ashmore (1) and Humboldt (1) have post offices as well.
Post offices in Mattoon
A to Z
Frequently asked questions
- How many post offices are in Mattoon, IL?
- There are 2 post offices in Mattoon as of 09/23/2026.