ZIP Code 99154 — Mohler, WA
99154 is a standard (street delivery) ZIP code serving Mohler, Washington, in Lincoln 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 99154 at a glance
| ZIP code | 99154 |
|---|---|
| Primary city | Mohler |
| State | Washington (WA) |
| County | Lincoln FIPS 53043 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 14 |
| Coordinates | 47.391320, -118.355760 |
How ZIP+4 works in 99154
The four digits after the hyphen encode a delivery segment inside 99154. 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 99154 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 99154.
| ZIP | City | Distance |
|---|---|---|
| 99134 | Harrington, WA | 3.6 mi |
| 99144 | Lamona, WA | 6.5 mi |
| 99032 | Sprague, WA | 15.2 mi |
| 99159 | Odessa, WA | 18.6 mi |
| 99169 | Ritzville, WA | 18.8 mi |
| 99122 | Davenport, WA | 20.7 mi |
| 99008 | Edwall, WA | 21.1 mi |
| 99117 | Creston, WA | 24.2 mi |
| 99017 | Lamont, WA | 26.6 mi |
| 99185 | Wilbur, WA | 29.4 mi |
| 99147 | Lincoln, WA | 30.9 mi |
| 99029 | Reardan, WA | 33 mi |
Questions about 99154
What is the ZIP+4 code for 99154?
99154 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 99154, you need to look up a specific street address to get them.
What city is 99154?
99154 is assigned to Mohler, Washington, in Lincoln 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.