ZIP Code 45620 — Cheshire, OH
45620 is a standard (street delivery) ZIP code serving Cheshire, Ohio, in Gallia County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 45620 at a glance
| ZIP code | 45620 |
|---|---|
| Primary city | Cheshire |
| State | Ohio (OH) |
| County | Gallia FIPS 39053 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 675 |
| Coordinates | 38.955640, -82.140520 |
How ZIP+4 works in 45620
The four digits after the hyphen encode a delivery segment inside 45620. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 45620 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 45620.
| ZIP | City | Distance |
|---|---|---|
| 45760 | Middleport, OH | 4.1 mi |
| 25287 | West Columbia, WV | 5 mi |
| 25550 | Point Pleasant, WV | 7.1 mi |
| 25260 | Mason, WV | 7.5 mi |
| 45614 | Bidwell, OH | 7.6 mi |
| 25247 | Hartford, WV | 8.7 mi |
| 25265 | New Haven, WV | 9.1 mi |
| 45775 | Rutland, OH | 9.1 mi |
| 45779 | Syracuse, OH | 9.6 mi |
| 25253 | Letart, WV | 9.6 mi |
| 45741 | Langsville, OH | 9.7 mi |
| 45631 | Gallipolis, OH | 11.4 mi |
Questions about 45620
What is the ZIP+4 code for 45620?
45620 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 45620, you need to look up a specific street address to get them.
What city is 45620?
45620 is assigned to Cheshire, Ohio, in Gallia County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.