ZIP Code 15646 — Jones Mills, PA
15646 is a standard (street delivery) ZIP code serving Jones Mills, Pennsylvania, in Westmoreland 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 15646 at a glance
| ZIP code | 15646 |
|---|---|
| Primary city | Jones Mills |
| State | Pennsylvania (PA) |
| County | Westmoreland FIPS 42129 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 161 |
| Coordinates | 40.095170, -79.344480 |
How ZIP+4 works in 15646
The four digits after the hyphen encode a delivery segment inside 15646. 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 15646 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 15646.
| ZIP | City | Distance |
|---|---|---|
| 15628 | Donegal, PA | 1.4 mi |
| 15687 | Stahlstown, PA | 2.8 mi |
| 15462 | Melcroft, PA | 3 mi |
| 15622 | Champion, PA | 4.4 mi |
| 15610 | Acme, PA | 4.8 mi |
| 15446 | Indian Head, PA | 5.1 mi |
| 15490 | White, PA | 6 mi |
| 15502 | Hidden Valley, PA | 6.4 mi |
| 15469 | Normalville, PA | 6.9 mi |
| 15677 | Rector, PA | 7.1 mi |
| 15666 | Mount Pleasant, PA | 10 mi |
| 15655 | Laughlintown, PA | 11.1 mi |
Questions about 15646
What is the ZIP+4 code for 15646?
15646 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 15646, you need to look up a specific street address to get them.
What city is 15646?
15646 is assigned to Jones Mills, Pennsylvania, in Westmoreland 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.