ZIP Code 65401 — Rolla, MO
65401 is a standard (street delivery) ZIP code serving Rolla, Missouri, in Phelps 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 65401 at a glance
| ZIP code | 65401 |
|---|---|
| Primary city | Rolla |
| State | Missouri (MO) |
| County | Phelps FIPS 29161 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 32,714 |
| Coordinates | 37.906910, -91.763740 |
How ZIP+4 works in 65401
The four digits after the hyphen encode a delivery segment inside 65401. 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 65401 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.
Other ZIP codes in Rolla
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 65401.
| ZIP | City | Distance |
|---|---|---|
| 65409 | Rolla, MO | 3.2 mi |
| 65550 | Newburg, MO | 10.7 mi |
| 65559 | Saint James, MO | 11.5 mi |
| 65529 | Jerome, MO | 12.4 mi |
| 65580 | Vichy, MO | 14.5 mi |
| 65449 | Cook Sta, MO | 15.6 mi |
| 65462 | Edgar Springs, MO | 16.2 mi |
| 65457 | Devils Elbow, MO | 16.6 mi |
| 65541 | Lenox, MO | 18.1 mi |
| 65586 | Wesco, MO | 18.2 mi |
| 65459 | Dixon, MO | 19.3 mi |
| 65584 | Saint Robert, MO | 20.7 mi |
Questions about 65401
What is the ZIP+4 code for 65401?
65401 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 65401, you need to look up a specific street address to get them.
What city is 65401?
65401 is assigned to Rolla, Missouri, in Phelps 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.