ZIP Code 18935 — Milford Square, PA
18935 is a standard (street delivery) ZIP code serving Milford Square, Pennsylvania, in Bucks 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 18935 at a glance
| ZIP code | 18935 |
|---|---|
| Primary city | Milford Square |
| State | Pennsylvania (PA) |
| County | Bucks FIPS 42017 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 273 |
| Coordinates | 40.434440, -75.397140 |
How ZIP+4 works in 18935
The four digits after the hyphen encode a delivery segment inside 18935. 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 18935 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 18935.
| ZIP | City | Distance |
|---|---|---|
| 18970 | Trumbauersville, PA | 1.8 mi |
| 18951 | Quakertown, PA | 3.3 mi |
| 18036 | Coopersburg, PA | 5.2 mi |
| 18073 | Pennsburg, PA | 5.5 mi |
| 18955 | Richlandtown, PA | 5.6 mi |
| 18054 | Green Lane, PA | 6 mi |
| 18076 | Red Hill, PA | 6.1 mi |
| 18960 | Sellersville, PA | 6.2 mi |
| 18041 | East Greenville, PA | 6.2 mi |
| 18092 | Zionsville, PA | 6.6 mi |
| 18070 | Palm, PA | 7.4 mi |
| 18034 | Center Valley, PA | 7.5 mi |
Questions about 18935
What is the ZIP+4 code for 18935?
18935 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 18935, you need to look up a specific street address to get them.
What city is 18935?
18935 is assigned to Milford Square, Pennsylvania, in Bucks 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.