ZIP Code 15730 — Coolspring, PA
15730 is a standard (street delivery) ZIP code serving Coolspring, Pennsylvania, in Jefferson 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 15730 at a glance
| ZIP code | 15730 |
|---|---|
| Primary city | Coolspring |
| State | Pennsylvania (PA) |
| County | Jefferson FIPS 42065 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 142 |
| Coordinates | 41.027490, -79.079210 |
How ZIP+4 works in 15730
The four digits after the hyphen encode a delivery segment inside 15730. 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 15730 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 15730.
| ZIP | City | Distance |
|---|---|---|
| 15776 | Sprankle Mills, PA | 2.1 mi |
| 15784 | Worthville, PA | 3.1 mi |
| 15764 | Oliveburg, PA | 3.5 mi |
| 15770 | Ringgold, PA | 4.6 mi |
| 15847 | Knox Dale, PA | 4.8 mi |
| 15711 | Anita, PA | 6.2 mi |
| 15781 | Walston, PA | 6.5 mi |
| 15733 | De Lancey, PA | 6.8 mi |
| 15767 | Punxsutawney, PA | 7.4 mi |
| 15778 | Timblin, PA | 7.5 mi |
| 15744 | Hamilton, PA | 7.6 mi |
| 16240 | Mayport, PA | 7.6 mi |
Questions about 15730
What is the ZIP+4 code for 15730?
15730 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 15730, you need to look up a specific street address to get them.
What city is 15730?
15730 is assigned to Coolspring, Pennsylvania, in Jefferson 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.