ZIP Code 15536 — Crystal Spring, PA
15536 is a standard (street delivery) ZIP code serving Crystal Spring, Pennsylvania, in Fulton 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 15536 at a glance
| ZIP code | 15536 |
|---|---|
| Primary city | Crystal Spring |
| State | Pennsylvania (PA) |
| County | Fulton FIPS 42057 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 397 |
| Coordinates | 39.949560, -78.210900 |
How ZIP+4 works in 15536
The four digits after the hyphen encode a delivery segment inside 15536. 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 15536 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 15536.
| ZIP | City | Distance |
|---|---|---|
| 15533 | Breezewood, PA | 3.1 mi |
| 17228 | Harrisonville, PA | 6.7 mi |
| 17238 | Needmore, PA | 7.4 mi |
| 15537 | Everett, PA | 8.8 mi |
| 16691 | Wells Tannery, PA | 9.4 mi |
| 17267 | Warfordsburg, PA | 10.2 mi |
| 17233 | Mcconnellsburg, PA | 10.9 mi |
| 17212 | Big Cove Tannery, PA | 12.2 mi |
| 16650 | Hopewell, PA | 12.3 mi |
| 16689 | Waterfall, PA | 12.4 mi |
| 17229 | Hustontown, PA | 13.8 mi |
| 16679 | Six Mile Run, PA | 14.3 mi |
Questions about 15536
What is the ZIP+4 code for 15536?
15536 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 15536, you need to look up a specific street address to get them.
What city is 15536?
15536 is assigned to Crystal Spring, Pennsylvania, in Fulton 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.