Ohio Zip code

Ohio Zip code / Ohio Postal code

Ohio Zip code, introduced by the United States Postal Service (USPS) in 1963, are numerical codes used to identify specific geographic regions for mail delivery. and Ohio zip code used a 5-digit postal format XXXXX, The first 3 digit represent the postal delivery zone code, and last 2 digit represent the Post office in the Ohio.

There are total 11 zipcode code in Ohio and range of zipcode is 42320 to 42370. View all the zip code on map of Ohio by clicking on our mapview appliction.

1. What is the format of zip codes in Ohio?
Ohio zip codes follow the standard 5-digit format, starting with the number - 423.

2. How many zip codes are there in Ohio?
There are approximately 11 zip codes in Ohio, covering a vast area of the county.

3. Do all areas in Ohio have zip codes?
Yes, almost all populated areas in Ohio are assigned a unique zip code for mail delivery purposes.