ZIP Code 18323 — Buck Hill Falls, PA
18323 is a standard (street delivery) ZIP code serving Buck Hill Falls, Pennsylvania, in Monroe 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 18323 at a glance
| ZIP code | 18323 |
|---|---|
| Primary city | Buck Hill Falls |
| State | Pennsylvania (PA) |
| County | Monroe FIPS 42089 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 222 |
| Coordinates | 41.195580, -75.272640 |
How ZIP+4 works in 18323
The four digits after the hyphen encode a delivery segment inside 18323. 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 18323 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 18323.
| ZIP | City | Distance |
|---|---|---|
| 18342 | Mountainhome, PA | 2.4 mi |
| 18326 | Cresco, PA | 2.9 mi |
| 18325 | Canadensis, PA | 3.3 mi |
| 18357 | Skytop, PA | 3.6 mi |
| 18466 | Tobyhanna, PA | 5.5 mi |
| 18460 | South Sterling, PA | 6.3 mi |
| 18344 | Mount Pocono, PA | 6.6 mi |
| 18332 | Henryville, PA | 7.2 mi |
| 18445 | Newfoundland, PA | 7.9 mi |
| 18370 | Swiftwater, PA | 8.1 mi |
| 18349 | Pocono Manor, PA | 8.3 mi |
| 18346 | Pocono Summit, PA | 8.7 mi |
Questions about 18323
What is the ZIP+4 code for 18323?
18323 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 18323, you need to look up a specific street address to get them.
What city is 18323?
18323 is assigned to Buck Hill Falls, Pennsylvania, in Monroe 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.