ZIP Code 63873 — Portageville, MO
63873 is a standard (street delivery) ZIP code serving Portageville, Missouri, in New Madrid 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 63873 at a glance
| ZIP code | 63873 |
|---|---|
| Primary city | Portageville |
| State | Missouri (MO) |
| County | New Madrid FIPS 29143 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 4,015 |
| Coordinates | 36.427910, -89.659650 |
How ZIP+4 works in 63873
The four digits after the hyphen encode a delivery segment inside 63873. 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 63873 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 63873.
| ZIP | City | Distance |
|---|---|---|
| 63866 | Marston, MO | 7.4 mi |
| 63879 | Wardell, MO | 9.6 mi |
| 63878 | Tallapoosa, MO | 10.4 mi |
| 38079 | Tiptonville, TN | 10.6 mi |
| 63862 | Lilbourn, MO | 11.2 mi |
| 63851 | Hayti, MO | 12.3 mi |
| 63848 | Gideon, MO | 12.4 mi |
| 38077 | Wynnburg, TN | 12.4 mi |
| 63874 | Risco, MO | 12.4 mi |
| 63833 | Catron, MO | 15.7 mi |
| 63869 | New Madrid, MO | 15.9 mi |
| 63870 | Parma, MO | 16.7 mi |
Questions about 63873
What is the ZIP+4 code for 63873?
63873 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 63873, you need to look up a specific street address to get them.
What city is 63873?
63873 is assigned to Portageville, Missouri, in New Madrid 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.