ZIP Code 07851 — Layton, NJ
07851 is a standard (street delivery) ZIP code serving Layton, New Jersey, in Sussex 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 07851 at a glance
| ZIP code | 07851 |
|---|---|
| Primary city | Layton |
| State | New Jersey (NJ) |
| County | Sussex FIPS 34037 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 263 |
| Coordinates | 41.198830, -74.859230 |
How ZIP+4 works in 07851
The four digits after the hyphen encode a delivery segment inside 07851. 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 07851 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 07851.
| ZIP | City | Distance |
|---|---|---|
| 07826 | Branchville, NJ | 3.9 mi |
| 07881 | Wallpack Center, NJ | 6.5 mi |
| 18328 | Dingmans Ferry, PA | 7.9 mi |
| 18324 | Bushkill, PA | 8.1 mi |
| 07827 | Montague, NJ | 8.7 mi |
| 07822 | Augusta, NJ | 9 mi |
| 18337 | Milford, PA | 9.4 mi |
| 18371 | Tamiment, PA | 9.6 mi |
| 07860 | Newton, NJ | 9.9 mi |
| 07848 | Lafayette, NJ | 11.3 mi |
| 07461 | Sussex, NJ | 13.5 mi |
| 18336 | Matamoras, PA | 13.8 mi |
Questions about 07851
What is the ZIP+4 code for 07851?
07851 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 07851, you need to look up a specific street address to get them.
What city is 07851?
07851 is assigned to Layton, New Jersey, in Sussex 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.