ZIP Code 17063 — Milroy, PA
17063 is a standard (street delivery) ZIP code serving Milroy, Pennsylvania, in Mifflin 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 17063 at a glance
| ZIP code | 17063 |
|---|---|
| Primary city | Milroy |
| State | Pennsylvania (PA) |
| County | Mifflin FIPS 42087 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,177 |
| Coordinates | 40.762740, -77.473430 |
How ZIP+4 works in 17063
The four digits after the hyphen encode a delivery segment inside 17063. 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 17063 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 17063.
| ZIP | City | Distance |
|---|---|---|
| 16832 | Coburn, PA | 6.2 mi |
| 17841 | Mcclure, PA | 6.5 mi |
| 16875 | Spring Mills, PA | 7.6 mi |
| 16854 | Millheim, PA | 9.3 mi |
| 17084 | Reedsville, PA | 9.6 mi |
| 17099 | Yeagertown, PA | 9.7 mi |
| 17009 | Burnham, PA | 10 mi |
| 16820 | Aaronsburg, PA | 11.7 mi |
| 16828 | Centre Hall, PA | 11.8 mi |
| 17885 | Weikert, PA | 12.2 mi |
| 16882 | Woodward, PA | 12.2 mi |
| 17812 | Beaver Springs, PA | 12.5 mi |
Questions about 17063
What is the ZIP+4 code for 17063?
17063 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 17063, you need to look up a specific street address to get them.
What city is 17063?
17063 is assigned to Milroy, Pennsylvania, in Mifflin 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.