ZIP Code 81240 — Penrose, CO
81240 is a standard (street delivery) ZIP code serving Penrose, Colorado, in Fremont 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 81240 at a glance
| ZIP code | 81240 |
|---|---|
| Primary city | Penrose |
| State | Colorado (CO) |
| County | Fremont FIPS 08043 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 4,800 |
| Coordinates | 38.499500, -105.030760 |
How ZIP+4 works in 81240
The four digits after the hyphen encode a delivery segment inside 81240. 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 81240 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 81240.
| ZIP | City | Distance |
|---|---|---|
| 81221 | Coal Creek, CO | 11.2 mi |
| 80926 | Colorado Springs, CO | 11.5 mi |
| 81244 | Rockvale, CO | 11.8 mi |
| 81226 | Florence, CO | 12.8 mi |
| 80860 | Victor, CO | 13.9 mi |
| 81007 | Pueblo, CO | 16.5 mi |
| 80902 | Colorado Springs, CO | 17.5 mi |
| 80813 | Cripple Creek, CO | 18.5 mi |
| 80913 | Colorado Springs, CO | 20 mi |
| 80817 | Fountain, CO | 20.1 mi |
| 80906 | Colorado Springs, CO | 20.4 mi |
| 81212 | Canon City, CO | 21.5 mi |
Questions about 81240
What is the ZIP+4 code for 81240?
81240 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 81240, you need to look up a specific street address to get them.
What city is 81240?
81240 is assigned to Penrose, Colorado, in Fremont 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.