ZIP Code 63363 — New Florence, MO
63363 is a standard (street delivery) ZIP code serving New Florence, Missouri, in Montgomery 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 63363 at a glance
| ZIP code | 63363 |
|---|---|
| Primary city | New Florence |
| State | Missouri (MO) |
| County | Montgomery FIPS 29139 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 949 |
| Coordinates | 38.881870, -91.457550 |
How ZIP+4 works in 63363
The four digits after the hyphen encode a delivery segment inside 63363. 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 63363 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 63363.
| ZIP | City | Distance |
|---|---|---|
| 63350 | High Hill, MO | 5.6 mi |
| 63361 | Montgomery City, MO | 7.6 mi |
| 63351 | Jonesburg, MO | 8 mi |
| 65069 | Rhineland, MO | 11.5 mi |
| 63333 | Bellflower, MO | 12.9 mi |
| 63381 | Truxton, MO | 12.9 mi |
| 63383 | Warrenton, MO | 15.1 mi |
| 63384 | Wellsville, MO | 15.2 mi |
| 63388 | Williamsburg, MO | 15.7 mi |
| 65041 | Hermann, MO | 16.7 mi |
| 65067 | Portland, MO | 16.8 mi |
| 63014 | Berger, MO | 17.8 mi |
Questions about 63363
What is the ZIP+4 code for 63363?
63363 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 63363, you need to look up a specific street address to get them.
What city is 63363?
63363 is assigned to New Florence, Missouri, in Montgomery 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.