ZIP Code 43451 — Portage, OH
43451 is a standard (street delivery) ZIP code serving Portage, Ohio, in Wood 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 43451 at a glance
| ZIP code | 43451 |
|---|---|
| Primary city | Portage |
| State | Ohio (OH) |
| County | Wood FIPS 39173 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,148 |
| Coordinates | 41.315510, -83.616140 |
How ZIP+4 works in 43451
The four digits after the hyphen encode a delivery segment inside 43451. 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 43451 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 43451.
| ZIP | City | Distance |
|---|---|---|
| 43437 | Jerry City, OH | 4.3 mi |
| 43403 | Bowling Green, OH | 4.4 mi |
| 43413 | Cygnet, OH | 5.4 mi |
| 43466 | Wayne, OH | 5.5 mi |
| 43462 | Rudolph, OH | 5.8 mi |
| 43402 | Bowling Green, OH | 6.8 mi |
| 43467 | West Millgrove, OH | 8.2 mi |
| 43450 | Pemberville, OH | 8.6 mi |
| 44817 | Bloomdale, OH | 8.8 mi |
| 43569 | Weston, OH | 9.3 mi |
| 43406 | Bradner, OH | 9.4 mi |
| 45872 | North Baltimore, OH | 9.4 mi |
Questions about 43451
What is the ZIP+4 code for 43451?
43451 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 43451, you need to look up a specific street address to get them.
What city is 43451?
43451 is assigned to Portage, Ohio, in Wood 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.