ZIP Code 16120 — Enon Valley, PA
16120 is a standard (street delivery) ZIP code serving Enon Valley, Pennsylvania, in Lawrence 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 16120 at a glance
| ZIP code | 16120 |
|---|---|
| Primary city | Enon Valley |
| State | Pennsylvania (PA) |
| County | Lawrence FIPS 42073 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 2,221 |
| Coordinates | 40.892000, -80.473440 |
How ZIP+4 works in 16120
The four digits after the hyphen encode a delivery segment inside 16120. 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 16120 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 16120.
| ZIP | City | Distance |
|---|---|---|
| 44454 | Petersburg, OH | 4 mi |
| 16141 | New Galilee, PA | 4.2 mi |
| 44413 | East Palestine, OH | 5.2 mi |
| 16112 | Bessemer, PA | 5.4 mi |
| 16102 | New Castle, PA | 5.7 mi |
| 16160 | West Pittsburg, PA | 6.3 mi |
| 44442 | New Middletown, OH | 6.5 mi |
| 44443 | New Springfield, OH | 6.7 mi |
| 16115 | Darlington, PA | 6.8 mi |
| 16157 | Wampum, PA | 7.2 mi |
| 16132 | Hillsville, PA | 8 mi |
| 44445 | New Waterford, OH | 8.1 mi |
Questions about 16120
What is the ZIP+4 code for 16120?
16120 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 16120, you need to look up a specific street address to get them.
What city is 16120?
16120 is assigned to Enon Valley, Pennsylvania, in Lawrence 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.