ZIP Code 73051 — Lexington, OK
73051 is a standard (street delivery) ZIP code serving Lexington, Oklahoma, in Cleveland 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 73051 at a glance
| ZIP code | 73051 |
|---|---|
| Primary city | Lexington |
| State | Oklahoma (OK) |
| County | Cleveland FIPS 40027 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 10,274 |
| Coordinates | 35.031750, -97.246290 |
How ZIP+4 works in 73051
The four digits after the hyphen encode a delivery segment inside 73051. 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 73051 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 73051.
| ZIP | City | Distance |
|---|---|---|
| 73068 | Noble, OK | 7.6 mi |
| 73095 | Wayne, OK | 8.9 mi |
| 74878 | Wanette, OK | 10.1 mi |
| 73080 | Purcell, OK | 11.7 mi |
| 73074 | Paoli, OK | 13.9 mi |
| 73026 | Norman, OK | 14.1 mi |
| 74831 | Byars, OK | 14.7 mi |
| 74852 | Macomb, OK | 14.8 mi |
| 73093 | Washington, OK | 15 mi |
| 73019 | Norman, OK | 16.4 mi |
| 73070 | Norman, OK | 16.9 mi |
| 73071 | Norman, OK | 17 mi |
Questions about 73051
What is the ZIP+4 code for 73051?
73051 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 73051, you need to look up a specific street address to get them.
What city is 73051?
73051 is assigned to Lexington, Oklahoma, in Cleveland 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.