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Post Offices in Effingham, IL
1 post office in Effingham, Effingham County · Data as of 09/23/2026
Post offices on this page
Post offices in Effingham at a glance
- Effingham has 1 post office, about 0.81 for every 10,000 residents.
- It ranks 100th among 1,142 Illinois cities by number of post offices.
- Close by, Altamont (1), Beecher City (1) and Dieterich (1) have post offices as well.
Post offices in Effingham
A to Z
Frequently asked questions
- How many post offices are in Effingham, IL?
- There is 1 post office in Effingham as of 09/23/2026.