ZIP Code 81143 — Moffat, CO
81143 is a standard (street delivery) ZIP code serving Moffat, Colorado, in Saguache 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 81143 at a glance
| ZIP code | 81143 |
|---|---|
| Primary city | Moffat |
| State | Colorado (CO) |
| County | Saguache FIPS 08109 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 796 |
| Coordinates | 38.144770, -105.871120 |
How ZIP+4 works in 81143
The four digits after the hyphen encode a delivery segment inside 81143. 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 81143 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 81143.
| ZIP | City | Distance |
|---|---|---|
| 81155 | Villa Grove, CO | 14.8 mi |
| 81222 | Coaldale, CO | 14.8 mi |
| 81232 | Hillside, CO | 16.8 mi |
| 81131 | Crestone, CO | 21.6 mi |
| 81223 | Cotopaxi, CO | 22.5 mi |
| 81233 | Howard, CO | 24.2 mi |
| 81252 | Westcliffe, CO | 24.5 mi |
| 81125 | Center, CO | 25 mi |
| 81242 | Poncha Springs, CO | 25.1 mi |
| 81149 | Saguache, CO | 25.5 mi |
| 81136 | Hooper, CO | 28.9 mi |
| 81201 | Salida, CO | 30.3 mi |
Questions about 81143
What is the ZIP+4 code for 81143?
81143 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 81143, you need to look up a specific street address to get them.
What city is 81143?
81143 is assigned to Moffat, Colorado, in Saguache 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.