ZIP Code 38646 — Marks, MS
38646 is a standard (street delivery) ZIP code serving Marks, Mississippi, in Quitman 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 38646 at a glance
| ZIP code | 38646 |
|---|---|
| Primary city | Marks |
| State | Mississippi (MS) |
| County | Quitman FIPS 28119 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,687 |
| Coordinates | 34.281410, -90.296730 |
How ZIP+4 works in 38646
The four digits after the hyphen encode a delivery segment inside 38646. 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 38646 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 38646.
| ZIP | City | Distance |
|---|---|---|
| 38623 | Darling, MS | 5.5 mi |
| 38639 | Jonestown, MS | 7.8 mi |
| 38643 | Lambert, MS | 9.2 mi |
| 38670 | Sledge, MS | 10.1 mi |
| 38645 | Lyon, MS | 10.5 mi |
| 38622 | Crowder, MS | 12.1 mi |
| 38617 | Coahoma, MS | 12.5 mi |
| 38964 | Vance, MS | 12.9 mi |
| 38621 | Crenshaw, MS | 13.8 mi |
| 38644 | Lula, MS | 15.9 mi |
| 38626 | Dundee, MS | 18.3 mi |
| 38927 | Enid, MS | 18.9 mi |
Questions about 38646
What is the ZIP+4 code for 38646?
38646 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 38646, you need to look up a specific street address to get them.
What city is 38646?
38646 is assigned to Marks, Mississippi, in Quitman 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.