ZIP Code 38603 — Ashland, MS
38603 is a standard (street delivery) ZIP code serving Ashland, Mississippi, in Benton 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 38603 at a glance
| ZIP code | 38603 |
|---|---|
| Primary city | Ashland |
| State | Mississippi (MS) |
| County | Benton FIPS 28009 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,530 |
| Coordinates | 34.839490, -89.141630 |
How ZIP+4 works in 38603
The four digits after the hyphen encode a delivery segment inside 38603. 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 38603 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 38603.
| ZIP | City | Distance |
|---|---|---|
| 38629 | Falkner, MS | 8.6 mi |
| 38647 | Michigan City, MS | 9.3 mi |
| 38642 | Lamar, MS | 12.4 mi |
| 38633 | Hickory Flat, MS | 14 mi |
| 38674 | Tiplersville, MS | 14.1 mi |
| 38610 | Blue Mountain, MS | 14.4 mi |
| 38039 | Grand Junction, TN | 15.2 mi |
| 38046 | La Grange, TN | 15.4 mi |
| 38663 | Ripley, MS | 15.4 mi |
| 38683 | Walnut, MS | 17.3 mi |
| 38067 | Saulsbury, TN | 17.8 mi |
| 38659 | Potts Camp, MS | 18.2 mi |
Questions about 38603
What is the ZIP+4 code for 38603?
38603 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 38603, you need to look up a specific street address to get them.
What city is 38603?
38603 is assigned to Ashland, Mississippi, in Benton 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.