ZIP Code 17572 — Ronks, PA
17572 is a standard (street delivery) ZIP code serving Ronks, Pennsylvania, in Lancaster 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 17572 at a glance
| ZIP code | 17572 |
|---|---|
| Primary city | Ronks |
| State | Pennsylvania (PA) |
| County | Lancaster FIPS 42071 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,643 |
| Coordinates | 40.009370, -76.151050 |
How ZIP+4 works in 17572
The four digits after the hyphen encode a delivery segment inside 17572. 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 17572 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 17572.
| ZIP | City | Distance |
|---|---|---|
| 17534 | Intercourse, PA | 2.8 mi |
| 17576 | Smoketown, PA | 3.1 mi |
| 17529 | Gordonville, PA | 3.4 mi |
| 17579 | Strasburg, PA | 3.8 mi |
| 17562 | Paradise, PA | 3.8 mi |
| 17505 | Bird In Hand, PA | 4 mi |
| 17602 | Lancaster, PA | 5 mi |
| 17535 | Kinzers, PA | 6 mi |
| 17568 | Refton, PA | 6.1 mi |
| 17540 | Leola, PA | 6.5 mi |
| 17584 | Willow Street, PA | 6.9 mi |
| 17557 | New Holland, PA | 7.6 mi |
Questions about 17572
What is the ZIP+4 code for 17572?
17572 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 17572, you need to look up a specific street address to get them.
What city is 17572?
17572 is assigned to Ronks, Pennsylvania, in Lancaster 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.