ZIP Code 45820
Cairo · Allen, Ohio
45820 is the ZIP code of Cairo in Allen, Ohio, United States.
- ZIP Code
- 45820
- County
- Allen
- State
- Ohio
- Country
- United States
Place with ZIP code 45820
| Place | County | Location |
|---|---|---|
| Cairo | Allen | 40.830, -84.085 |
Near Columbus
The nearest major city is Columbus, about 133 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 45820?
Cairo.
Which county and state is 45820 in?
Allen, Ohio, United States.
What is the nearest major city to 45820?
Columbus, about 133 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.