ZIP Code 07430 — Mahwah, NJ
07430 is a standard (street delivery) ZIP code serving Mahwah, New Jersey, in Bergen 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 07430 at a glance
| ZIP code | 07430 |
|---|---|
| Primary city | Mahwah |
| State | New Jersey (NJ) |
| County | Bergen FIPS 34003 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 25,491 |
| Coordinates | 41.081570, -74.185620 |
How ZIP+4 works in 07430
The four digits after the hyphen encode a delivery segment inside 07430. 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 07430 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 07430.
| ZIP | City | Distance |
|---|---|---|
| 07446 | Ramsey, NJ | 2.6 mi |
| 10931 | Hillburn, NY | 3.3 mi |
| 07401 | Allendale, NJ | 4.3 mi |
| 07436 | Oakland, NJ | 4.5 mi |
| 07456 | Ringwood, NJ | 4.9 mi |
| 07417 | Franklin Lakes, NJ | 5.2 mi |
| 07458 | Saddle River, NJ | 5.2 mi |
| 10974 | Sloatsburg, NY | 5.3 mi |
| 10901 | Suffern, NY | 5.4 mi |
| 07463 | Waldwick, NJ | 5.6 mi |
| 07481 | Wyckoff, NJ | 5.8 mi |
| 10952 | Monsey, NY | 5.9 mi |
Questions about 07430
What is the ZIP+4 code for 07430?
07430 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 07430, you need to look up a specific street address to get them.
What city is 07430?
07430 is assigned to Mahwah, New Jersey, in Bergen 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.