ZIP Code 38645 — Lyon, MS
38645 is a standard (street delivery) ZIP code serving Lyon, Mississippi, in Coahoma 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 38645 at a glance
| ZIP code | 38645 |
|---|---|
| Primary city | Lyon |
| State | Mississippi (MS) |
| County | Coahoma FIPS 28027 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 786 |
| Coordinates | 34.246900, -90.476630 |
How ZIP+4 works in 38645
The four digits after the hyphen encode a delivery segment inside 38645. 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 38645 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 38645.
| ZIP | City | Distance |
|---|---|---|
| 38639 | Jonestown, MS | 5.1 mi |
| 38617 | Coahoma, MS | 8 mi |
| 38614 | Clarksdale, MS | 9.6 mi |
| 38646 | Marks, MS | 10.5 mi |
| 38964 | Vance, MS | 10.7 mi |
| 38631 | Friars Point, MS | 11.6 mi |
| 38623 | Darling, MS | 12.9 mi |
| 38643 | Lambert, MS | 13.9 mi |
| 38644 | Lula, MS | 14.6 mi |
| 38670 | Sledge, MS | 16.5 mi |
| 38963 | Tutwiler, MS | 17.2 mi |
| 72342 | Helena, AR | 17.8 mi |
Questions about 38645
What is the ZIP+4 code for 38645?
38645 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 38645, you need to look up a specific street address to get them.
What city is 38645?
38645 is assigned to Lyon, Mississippi, in Coahoma 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.