ZIP Code 66760 — Opolis, KS
66760 is a standard (street delivery) ZIP code serving Opolis, Kansas, in Crawford 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 66760 at a glance
| ZIP code | 66760 |
|---|---|
| Primary city | Opolis |
| State | Kansas (KS) |
| County | Crawford FIPS 20037 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 35 |
| Coordinates | 37.344870, -94.624500 |
How ZIP+4 works in 66760
The four digits after the hyphen encode a delivery segment inside 66760. 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 66760 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 66760.
| ZIP | City | Distance |
|---|---|---|
| 64832 | Asbury, MO | 2.9 mi |
| 66762 | Pittsburg, KS | 5.8 mi |
| 66781 | Weir, KS | 6.8 mi |
| 64855 | Oronogo, MO | 8.3 mi |
| 66763 | Frontenac, KS | 8.9 mi |
| 64769 | Mindenmines, MO | 9.9 mi |
| 64834 | Carl Junction, MO | 11.3 mi |
| 64849 | Neck City, MO | 11.6 mi |
| 66773 | Scammon, KS | 11.7 mi |
| 64857 | Purcell, MO | 12.3 mi |
| 66724 | Cherokee, KS | 13.1 mi |
| 66735 | Franklin, KS | 13.1 mi |
Questions about 66760
What is the ZIP+4 code for 66760?
66760 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 66760, you need to look up a specific street address to get them.
What city is 66760?
66760 is assigned to Opolis, Kansas, in Crawford 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.