Cairo, OH ZIP Codes, Coordinates & Counties
Cairo, Ohio has 1 ZIP code in Allen county. The approximate center of Cairo is 40.835, -84.084. Cairo has about 5,178 known street addresses.
ZIP codes in Cairo, OH
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 45820 | Allen | 40.835 | -84.084 |
Counties Cairo spans
Allen
Most common streets in Cairo
Elm, Main, Wall, Church, Ottawa, First, Mill, Anderson, Maple, Redwood
Frequently asked questions
What ZIP codes are in Cairo, OH?
Cairo, Ohio has 1 ZIP code, ranging from 45820 to 45820. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Cairo, OH in?
Cairo is in Allen county.
What are the latitude and longitude of Cairo, OH?
The approximate center of Cairo, Ohio is latitude 40.835, longitude -84.084. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Cairo, OH have?
Cairo has 1 ZIP code.
How many addresses are in Cairo, OH?
Cairo, Ohio has about 5,178 known street addresses in the sthan.io US address database.
What are the most common streets in Cairo, OH?
Some of the most common street names in Cairo are Elm, Main, Wall, Church, Ottawa, First.
What cities are near Cairo, OH?
Cities near Cairo include Columbus Grove (5 mi), Gomer (5 mi), Beaverdam (6 mi), Lima (7 mi), Lafayette (9 mi).
Cities near Cairo
Columbus Grove, OH (5 mi) Gomer, OH (5 mi) Beaverdam, OH (6 mi) Lima, OH (7 mi) Lafayette, OH (9 mi) Bluffton, OH (11 mi) Pandora, OH (11 mi) Fort Jennings, OH (12 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database