ZIP Code 96056 — Mcarthur, CA
96056 is a standard (street delivery) ZIP code serving Mcarthur, California, in Lassen 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 96056 at a glance
| ZIP code | 96056 |
|---|---|
| Primary city | Mcarthur |
| State | California (CA) |
| County | Lassen FIPS 06035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 1,584 |
| Coordinates | 41.071780, -121.326070 |
How ZIP+4 works in 96056
The four digits after the hyphen encode a delivery segment inside 96056. 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 96056 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 96056.
| ZIP | City | Distance |
|---|---|---|
| 96068 | Nubieber, CA | 6.7 mi |
| 96028 | Fall River Mills, CA | 8.1 mi |
| 96009 | Bieber, CA | 14.7 mi |
| 96016 | Cassel, CA | 15.2 mi |
| 96054 | Lookout, CA | 17.6 mi |
| 96013 | Burney, CA | 19.7 mi |
| 96040 | Hat Creek, CA | 20.7 mi |
| 96006 | Adin, CA | 26 mi |
| 96071 | Old Station, CA | 27.7 mi |
| 96011 | Big Bend, CA | 29.4 mi |
| 96084 | Round Mountain, CA | 36.1 mi |
| 96015 | Canby, CA | 37.7 mi |
Questions about 96056
What is the ZIP+4 code for 96056?
96056 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 96056, you need to look up a specific street address to get them.
What city is 96056?
96056 is assigned to Mcarthur, California, in Lassen 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.