ZIP Code 43523 — Grelton, OH
43523 is a standard (street delivery) ZIP code serving Grelton, Ohio, in Henry 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 43523 at a glance
| ZIP code | 43523 |
|---|---|
| Primary city | Grelton |
| State | Ohio (OH) |
| County | Henry FIPS 39069 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 44 |
| Coordinates | 41.338750, -83.998650 |
How ZIP+4 works in 43523
The four digits after the hyphen encode a delivery segment inside 43523. 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 43523 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 43523.
| ZIP | City | Distance |
|---|---|---|
| 43535 | Malinta, OH | 2.6 mi |
| 43534 | Mcclure, OH | 3.8 mi |
| 43545 | Napoleon, OH | 7.6 mi |
| 43524 | Hamler, OH | 7.9 mi |
| 43532 | Liberty Center, OH | 8.1 mi |
| 43510 | Colton, OH | 9.1 mi |
| 43541 | Milton Center, OH | 9.1 mi |
| 43516 | Deshler, OH | 9.6 mi |
| 43522 | Grand Rapids, OH | 9.8 mi |
| 43527 | Holgate, OH | 10.3 mi |
| 43511 | Custar, OH | 10.4 mi |
| 43569 | Weston, OH | 10.9 mi |
Questions about 43523
What is the ZIP+4 code for 43523?
43523 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 43523, you need to look up a specific street address to get them.
What city is 43523?
43523 is assigned to Grelton, Ohio, in Henry 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.