ZIP Code 63937 — Ellsinore, MO
63937 is a standard (street delivery) ZIP code serving Ellsinore, Missouri, in Carter 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 63937 at a glance
| ZIP code | 63937 |
|---|---|
| Primary city | Ellsinore |
| State | Missouri (MO) |
| County | Carter FIPS 29035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,643 |
| Coordinates | 36.944030, -90.749070 |
How ZIP+4 works in 63937
The four digits after the hyphen encode a delivery segment inside 63937. 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 63937 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 63937.
| ZIP | City | Distance |
|---|---|---|
| 63952 | Mill Spring, MO | 7.1 mi |
| 63943 | Grandin, MO | 7.7 mi |
| 63957 | Piedmont, MO | 14.1 mi |
| 63967 | Williamsville, MO | 15 mi |
| 63965 | Van Buren, MO | 15.2 mi |
| 63939 | Fairdealing, MO | 18.3 mi |
| 63901 | Poplar Bluff, MO | 20.3 mi |
| 63935 | Doniphan, MO | 21.1 mi |
| 63956 | Patterson, MO | 22.8 mi |
| 63941 | Fremont, MO | 23.5 mi |
| 63945 | Harviell, MO | 23.7 mi |
| 63638 | Ellington, MO | 23.8 mi |
Questions about 63937
What is the ZIP+4 code for 63937?
63937 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 63937, you need to look up a specific street address to get them.
What city is 63937?
63937 is assigned to Ellsinore, Missouri, in Carter 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.