ZIP Code 08311 — Cedarville, NJ
08311 is a standard (street delivery) ZIP code serving Cedarville, New Jersey, in Cumberland 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 08311 at a glance
| ZIP code | 08311 |
|---|---|
| Primary city | Cedarville |
| State | New Jersey (NJ) |
| County | Cumberland FIPS 34011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,746 |
| Coordinates | 39.326850, -75.208040 |
How ZIP+4 works in 08311
The four digits after the hyphen encode a delivery segment inside 08311. 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 08311 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 08311.
| ZIP | City | Distance |
|---|---|---|
| 08345 | Newport, NJ | 4.2 mi |
| 08320 | Fairton, NJ | 4.8 mi |
| 08321 | Fortescue, NJ | 8.2 mi |
| 08302 | Bridgeton, NJ | 8.3 mi |
| 08349 | Port Norris, NJ | 8.8 mi |
| 08323 | Greenwich, NJ | 9.7 mi |
| 08332 | Millville, NJ | 10 mi |
| 08353 | Shiloh, NJ | 10.3 mi |
| 08352 | Rosenhayn, NJ | 11.1 mi |
| 08329 | Mauricetown, NJ | 11.3 mi |
| 08348 | Port Elizabeth, NJ | 13 mi |
| 08324 | Heislerville, NJ | 13.4 mi |
Questions about 08311
What is the ZIP+4 code for 08311?
08311 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 08311, you need to look up a specific street address to get them.
What city is 08311?
08311 is assigned to Cedarville, New Jersey, in Cumberland 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.