ZIP Code 18661 — White Haven, PA
18661 is a standard (street delivery) ZIP code serving White Haven, Pennsylvania, in Luzerne 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 18661 at a glance
| ZIP code | 18661 |
|---|---|
| Primary city | White Haven |
| State | Pennsylvania (PA) |
| County | Luzerne FIPS 42079 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 5,759 |
| Coordinates | 41.084350, -75.756660 |
How ZIP+4 works in 18661
The four digits after the hyphen encode a delivery segment inside 18661. 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 18661 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 18661.
| ZIP | City | Distance |
|---|---|---|
| 18602 | Bear Creek, PA | 7.1 mi |
| 18624 | Lake Harmony, PA | 7.3 mi |
| 18224 | Freeland, PA | 7.9 mi |
| 18702 | Wilkes Barre, PA | 9 mi |
| 18707 | Mountain Top, PA | 9.3 mi |
| 18221 | Drifton, PA | 10.2 mi |
| 18210 | Albrightsville, PA | 10.4 mi |
| 18255 | Weatherly, PA | 11.1 mi |
| 18229 | Jim Thorpe, PA | 11.2 mi |
| 18706 | Wilkes Barre, PA | 11.6 mi |
| 18610 | Blakeslee, PA | 11.8 mi |
| 18347 | Pocono Lake, PA | 12.3 mi |
Questions about 18661
What is the ZIP+4 code for 18661?
18661 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 18661, you need to look up a specific street address to get them.
What city is 18661?
18661 is assigned to White Haven, Pennsylvania, in Luzerne 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.