ZIP Code 81653 — Slater, CO
81653 is a standard (street delivery) ZIP code serving Slater, Colorado, in Routt 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 81653 at a glance
| ZIP code | 81653 |
|---|---|
| Primary city | Slater |
| State | Colorado (CO) |
| County | Routt FIPS 08107 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Coordinates | 40.914400, -107.224200 |
How ZIP+4 works in 81653
The four digits after the hyphen encode a delivery segment inside 81653. 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 81653 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 81653.
| ZIP | City | Distance |
|---|---|---|
| 82332 | Savery, WY | 11 mi |
| 80428 | Clark, CO | 16.7 mi |
| 82323 | Dixon, WY | 17.5 mi |
| 81639 | Hayden, CO | 26.8 mi |
| 82325 | Encampment, WY | 28.3 mi |
| 80487 | Steamboat Springs, CO | 28.4 mi |
| 82321 | Baggs, WY | 29.9 mi |
| 81625 | Craig, CO | 30.9 mi |
| 82331 | Saratoga, WY | 38.7 mi |
Questions about 81653
What is the ZIP+4 code for 81653?
81653 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 81653, you need to look up a specific street address to get them.
What city is 81653?
81653 is assigned to Slater, Colorado, in Routt 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.