ZIP Code 63333 — Bellflower, MO
63333 is a standard (street delivery) ZIP code serving Bellflower, 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 63333 at a glance
| ZIP code | 63333 |
|---|---|
| Primary city | Bellflower |
| State | Missouri (MO) |
| County | Montgomery FIPS 29139 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 688 |
| Coordinates | 39.035100, -91.320140 |
How ZIP+4 works in 63333
The four digits after the hyphen encode a delivery segment inside 63333. 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 63333 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 63333.
| ZIP | City | Distance |
|---|---|---|
| 63381 | Truxton, MO | 5.1 mi |
| 63359 | Middletown, MO | 8.5 mi |
| 63350 | High Hill, MO | 9.4 mi |
| 63349 | Hawk Point, MO | 9.8 mi |
| 63351 | Jonesburg, MO | 12.1 mi |
| 63377 | Silex, MO | 12.9 mi |
| 63363 | New Florence, MO | 12.9 mi |
| 63384 | Wellsville, MO | 13.5 mi |
| 63361 | Montgomery City, MO | 13.9 mi |
| 63383 | Warrenton, MO | 17.1 mi |
| 63379 | Troy, MO | 17.9 mi |
| 63380 | Truesdale, MO | 18.7 mi |
Questions about 63333
What is the ZIP+4 code for 63333?
63333 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 63333, you need to look up a specific street address to get them.
What city is 63333?
63333 is assigned to Bellflower, 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.