ZIP Code 81081 — Trinchera, CO
81081 is a standard (street delivery) ZIP code serving Trinchera, 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 81081 at a glance
| ZIP code | 81081 |
|---|---|
| Primary city | Trinchera |
| State | Colorado (CO) |
| County | Las Animas FIPS 08071 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 89 |
| Coordinates | 37.072950, -104.149540 |
How ZIP+4 works in 81081
The four digits after the hyphen encode a delivery segment inside 81081. 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 81081 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 81081.
| ZIP | City | Distance |
|---|---|---|
| 81082 | Trinidad, CO | 17.3 mi |
| 81046 | Hoehne, CO | 19.6 mi |
| 88414 | Capulin, NM | 21.8 mi |
| 87740 | Raton, NM | 24.6 mi |
| 81027 | Branson, CO | 26.4 mi |
| 81024 | Boncarbo, CO | 32.8 mi |
| 81059 | Model, CO | 34.9 mi |
| 88418 | Des Moines, NM | 35.9 mi |
| 81020 | Aguilar, CO | 36.3 mi |
| 87728 | Maxwell, NM | 40.6 mi |
Questions about 81081
What is the ZIP+4 code for 81081?
81081 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 81081, you need to look up a specific street address to get them.
What city is 81081?
81081 is assigned to Trinchera, 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.