ZIP Code 81024 — Boncarbo, CO
81024 is a standard (street delivery) ZIP code serving Boncarbo, Colorado, in Las Animas 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 81024 at a glance
| ZIP code | 81024 |
|---|---|
| Primary city | Boncarbo |
| State | Colorado (CO) |
| County | Las Animas FIPS 08071 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 149 |
| Coordinates | 37.229300, -104.711620 |
How ZIP+4 works in 81024
The four digits after the hyphen encode a delivery segment inside 81024. 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 81024 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 81024.
| ZIP | City | Distance |
|---|---|---|
| 81020 | Aguilar, CO | 15.2 mi |
| 81091 | Weston, CO | 15.6 mi |
| 81082 | Trinidad, CO | 16.3 mi |
| 81046 | Hoehne, CO | 19.4 mi |
| 81055 | La Veta, CO | 25.9 mi |
| 81089 | Walsenburg, CO | 30.1 mi |
| 81081 | Trinchera, CO | 32.7 mi |
| 87740 | Raton, NM | 36.7 mi |
Questions about 81024
What is the ZIP+4 code for 81024?
81024 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 81024, you need to look up a specific street address to get them.
What city is 81024?
81024 is assigned to Boncarbo, Colorado, in Las Animas 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.