ZIP Code 45657 — Otway, OH
45657 is a standard (street delivery) ZIP code serving Otway, Ohio, in Scioto 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 45657 at a glance
| ZIP code | 45657 |
|---|---|
| Primary city | Otway |
| State | Ohio (OH) |
| County | Scioto FIPS 39145 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,173 |
| Coordinates | 38.851660, -83.210110 |
How ZIP+4 works in 45657
The four digits after the hyphen encode a delivery segment inside 45657. 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 45657 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 45657.
| ZIP | City | Distance |
|---|---|---|
| 45652 | Mcdermott, OH | 7.2 mi |
| 45616 | Blue Creek, OH | 8.2 mi |
| 45671 | Rarden, OH | 8.5 mi |
| 45663 | West Portsmouth, OH | 9 mi |
| 45648 | Lucasville, OH | 11.6 mi |
| 45660 | Peebles, OH | 12.2 mi |
| 45630 | Friendship, OH | 12.4 mi |
| 45684 | Stout, OH | 12.7 mi |
| 45699 | Lucasville, OH | 13 mi |
| 45650 | Lynx, OH | 13.5 mi |
| 45661 | Piketon, OH | 14.2 mi |
| 41174 | South Portsmouth, KY | 14.9 mi |
Questions about 45657
What is the ZIP+4 code for 45657?
45657 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 45657, you need to look up a specific street address to get them.
What city is 45657?
45657 is assigned to Otway, Ohio, in Scioto 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.