ZIP Code 95490 — Willits, CA
95490 is a standard (street delivery) ZIP code serving Willits, California, in Mendocino 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 95490 at a glance
| ZIP code | 95490 |
|---|---|
| Primary city | Willits |
| State | California (CA) |
| County | Mendocino FIPS 06045 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 14,677 |
| Coordinates | 39.488300, -123.347250 |
How ZIP+4 works in 95490
The four digits after the hyphen encode a delivery segment inside 95490. 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 95490 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 95490.
| ZIP | City | Distance |
|---|---|---|
| 95470 | Redwood Valley, CA | 14.4 mi |
| 95469 | Potter Valley, CA | 16.8 mi |
| 95429 | Dos Rios, CA | 16.9 mi |
| 95437 | Fort Bragg, CA | 18.7 mi |
| 95427 | Comptche, CA | 20.1 mi |
| 95417 | Branscomb, CA | 21.2 mi |
| 95454 | Laytonville, CA | 22.1 mi |
| 95482 | Ukiah, CA | 23.3 mi |
| 95463 | Navarro, CA | 24.1 mi |
| 95420 | Caspar, CA | 24.2 mi |
| 95460 | Mendocino, CA | 24.4 mi |
| 95428 | Covelo, CA | 24.8 mi |
Questions about 95490
What is the ZIP+4 code for 95490?
95490 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 95490, you need to look up a specific street address to get them.
What city is 95490?
95490 is assigned to Willits, California, in Mendocino 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.