ZIP Code 99151 — Marcus, WA
99151 is a standard (street delivery) ZIP code serving Marcus, Washington, in Stevens 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 99151 at a glance
| ZIP code | 99151 |
|---|---|
| Primary city | Marcus |
| State | Washington (WA) |
| County | Stevens FIPS 53065 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 242 |
| Coordinates | 48.664430, -118.061250 |
How ZIP+4 works in 99151
The four digits after the hyphen encode a delivery segment inside 99151. 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 99151 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 99151.
| ZIP | City | Distance |
|---|---|---|
| 99126 | Evans, WA | 6.3 mi |
| 99141 | Kettle Falls, WA | 6.7 mi |
| 99114 | Colville, WA | 14.5 mi |
| 99167 | Rice, WA | 17.5 mi |
| 99160 | Orient, WA | 17.9 mi |
| 99157 | Northport, WA | 21.4 mi |
| 99146 | Laurier, WA | 22.9 mi |
| 99101 | Addy, WA | 24.4 mi |
| 99131 | Gifford, WA | 25.6 mi |
| 99121 | Danville, WA | 26.4 mi |
| 99150 | Malo, WA | 26.9 mi |
| 99109 | Chewelah, WA | 30.2 mi |
Questions about 99151
What is the ZIP+4 code for 99151?
99151 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 99151, you need to look up a specific street address to get them.
What city is 99151?
99151 is assigned to Marcus, Washington, in Stevens 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.