ZIP Code 43005 — Bladensburg, OH
43005 is a standard (street delivery) ZIP code serving Bladensburg, Ohio, in Knox 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 43005 at a glance
| ZIP code | 43005 |
|---|---|
| Primary city | Bladensburg |
| State | Ohio (OH) |
| County | Knox FIPS 39083 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 339 |
| Coordinates | 40.282410, -82.267280 |
How ZIP+4 works in 43005
The four digits after the hyphen encode a delivery segment inside 43005. 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 43005 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 43005.
| ZIP | City | Distance |
|---|---|---|
| 43037 | Martinsburg, OH | 2.6 mi |
| 43022 | Gambier, OH | 5.5 mi |
| 43843 | Walhonding, OH | 6 mi |
| 43071 | Saint Louisville, OH | 8.2 mi |
| 43028 | Howard, OH | 8.5 mi |
| 43822 | Frazeysburg, OH | 9.1 mi |
| 43080 | Utica, OH | 9.1 mi |
| 43844 | Warsaw, OH | 11.9 mi |
| 43014 | Danville, OH | 12.7 mi |
| 43055 | Newark, OH | 12.8 mi |
| 43050 | Mount Vernon, OH | 13.5 mi |
| 43027 | Homer, OH | 13.6 mi |
Questions about 43005
What is the ZIP+4 code for 43005?
43005 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 43005, you need to look up a specific street address to get them.
What city is 43005?
43005 is assigned to Bladensburg, Ohio, in Knox 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.