ZIP Code 07721 — Cliffwood, NJ
07721 is a standard (street delivery) ZIP code serving Cliffwood, New Jersey, in Monmouth 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 07721 at a glance
| ZIP code | 07721 |
|---|---|
| Primary city | Cliffwood |
| State | New Jersey (NJ) |
| County | Monmouth FIPS 34025 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 4,277 |
| Coordinates | 40.435560, -74.235550 |
How ZIP+4 works in 07721
The four digits after the hyphen encode a delivery segment inside 07721. 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 07721 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 07721.
| ZIP | City | Distance |
|---|---|---|
| 07735 | Keyport, NJ | 1.8 mi |
| 07747 | Matawan, NJ | 1.8 mi |
| 08879 | South Amboy, NJ | 3 mi |
| 07730 | Hazlet, NJ | 3.3 mi |
| 08859 | Parlin, NJ | 3.9 mi |
| 10307 | Staten Island, NY | 5 mi |
| 07751 | Morganville, NJ | 5.2 mi |
| 07733 | Holmdel, NJ | 5.2 mi |
| 07734 | Keansburg, NJ | 5.3 mi |
| 08857 | Old Bridge, NJ | 5.8 mi |
| 08872 | Sayreville, NJ | 5.8 mi |
| 08861 | Perth Amboy, NJ | 6.2 mi |
Questions about 07721
What is the ZIP+4 code for 07721?
07721 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 07721, you need to look up a specific street address to get them.
What city is 07721?
07721 is assigned to Cliffwood, New Jersey, in Monmouth 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.