ZIP Code 66740 — Galesburg, KS
66740 is a standard (street delivery) ZIP code serving Galesburg, Kansas, in Neosho 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 66740 at a glance
| ZIP code | 66740 |
|---|---|
| Primary city | Galesburg |
| State | Kansas (KS) |
| County | Neosho FIPS 20133 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 236 |
| Coordinates | 37.462100, -95.366410 |
How ZIP+4 works in 66740
The four digits after the hyphen encode a delivery segment inside 66740. 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 66740 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 66740.
| ZIP | City | Distance |
|---|---|---|
| 66776 | Thayer, KS | 6.7 mi |
| 67341 | Dennis, KS | 8.9 mi |
| 67357 | Parsons, KS | 10.5 mi |
| 66733 | Erie, KS | 10.8 mi |
| 66771 | Saint Paul, KS | 12.1 mi |
| 66720 | Chanute, KS | 13.7 mi |
| 67335 | Cherryvale, KS | 15.6 mi |
| 66710 | Altoona, KS | 15.8 mi |
| 67354 | Mound Valley, KS | 17.8 mi |
| 66757 | Neodesha, KS | 18.5 mi |
| 66780 | Walnut, KS | 19.7 mi |
| 66775 | Stark, KS | 20.3 mi |
Questions about 66740
What is the ZIP+4 code for 66740?
66740 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 66740, you need to look up a specific street address to get them.
What city is 66740?
66740 is assigned to Galesburg, Kansas, in Neosho 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.