ZIP Code 44637 — Killbuck, OH
44637 is a standard (street delivery) ZIP code serving Killbuck, Ohio, in Holmes 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 44637 at a glance
| ZIP code | 44637 |
|---|---|
| Primary city | Killbuck |
| State | Ohio (OH) |
| County | Holmes FIPS 39075 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,719 |
| Coordinates | 40.479960, -82.033470 |
How ZIP+4 works in 44637
The four digits after the hyphen encode a delivery segment inside 44637. 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 44637 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 44637.
| ZIP | City | Distance |
|---|---|---|
| 43006 | Brinkhaven, OH | 6.1 mi |
| 43805 | Blissfield, OH | 6.9 mi |
| 44628 | Glenmont, OH | 7.5 mi |
| 44661 | Nashville, OH | 8.6 mi |
| 44611 | Big Prairie, OH | 9.2 mi |
| 44654 | Millersburg, OH | 9.4 mi |
| 43844 | Warsaw, OH | 10.2 mi |
| 43014 | Danville, OH | 11.5 mi |
| 44633 | Holmesville, OH | 11.7 mi |
| 43843 | Walhonding, OH | 12.5 mi |
| 44638 | Lakeville, OH | 12.9 mi |
| 44610 | Berlin, OH | 13.4 mi |
Questions about 44637
What is the ZIP+4 code for 44637?
44637 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 44637, you need to look up a specific street address to get them.
What city is 44637?
44637 is assigned to Killbuck, Ohio, in Holmes 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.