ZIP Code 66058 — Muscotah, KS
66058 is a standard (street delivery) ZIP code serving Muscotah, Kansas, in Atchison 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 66058 at a glance
| ZIP code | 66058 |
|---|---|
| Primary city | Muscotah |
| State | Kansas (KS) |
| County | Atchison FIPS 20005 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 378 |
| Coordinates | 39.540180, -95.518940 |
How ZIP+4 works in 66058
The four digits after the hyphen encode a delivery segment inside 66058. 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 66058 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 66058.
| ZIP | City | Distance |
|---|---|---|
| 66552 | Whiting, KS | 6.3 mi |
| 66023 | Effingham, KS | 6.6 mi |
| 66439 | Horton, KS | 8 mi |
| 66436 | Holton, KS | 11.1 mi |
| 66424 | Everest, KS | 11.4 mi |
| 66041 | Lancaster, KS | 12 mi |
| 66516 | Netawaka, KS | 12.1 mi |
| 66060 | Nortonville, KS | 13 mi |
| 66419 | Denison, KS | 13.4 mi |
| 66088 | Valley Falls, KS | 14.1 mi |
| 66016 | Cummings, KS | 16 mi |
| 66527 | Powhattan, KS | 16.5 mi |
Questions about 66058
What is the ZIP+4 code for 66058?
66058 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 66058, you need to look up a specific street address to get them.
What city is 66058?
66058 is assigned to Muscotah, Kansas, in Atchison 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.