ZIP Code 81025 — Boone, CO
81025 is a standard (street delivery) ZIP code serving Boone, Colorado, in Pueblo 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 81025 at a glance
| ZIP code | 81025 |
|---|---|
| Primary city | Boone |
| State | Colorado (CO) |
| County | Pueblo FIPS 08101 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 814 |
| Coordinates | 38.345670, -104.264220 |
How ZIP+4 works in 81025
The four digits after the hyphen encode a delivery segment inside 81025. 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 81025 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 81025.
| ZIP | City | Distance |
|---|---|---|
| 81006 | Pueblo, CO | 13.5 mi |
| 81001 | Pueblo, CO | 15.2 mi |
| 81062 | Olney Springs, CO | 17.4 mi |
| 81008 | Pueblo, CO | 18.3 mi |
| 81003 | Pueblo, CO | 21.7 mi |
| 80928 | Colorado Springs, CO | 22.8 mi |
| 81022 | Avondale, CO | 23.5 mi |
| 81033 | Crowley, CO | 24.4 mi |
| 80864 | Yoder, CO | 24.7 mi |
| 81058 | Manzanola, CO | 26.4 mi |
| 81063 | Ordway, CO | 27 mi |
| 80817 | Fountain, CO | 27.6 mi |
Questions about 81025
What is the ZIP+4 code for 81025?
81025 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 81025, you need to look up a specific street address to get them.
What city is 81025?
81025 is assigned to Boone, Colorado, in Pueblo 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.