ZIP Code 80820 — Guffey, CO
80820 is a standard (street delivery) ZIP code serving Guffey, Colorado, in Park 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 80820 at a glance
| ZIP code | 80820 |
|---|---|
| Primary city | Guffey |
| State | Colorado (CO) |
| County | Park FIPS 08093 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 427 |
| Coordinates | 38.777810, -105.566130 |
How ZIP+4 works in 80820
The four digits after the hyphen encode a delivery segment inside 80820. 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 80820 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 80820.
| ZIP | City | Distance |
|---|---|---|
| 80816 | Florissant, CO | 14.4 mi |
| 80449 | Hartsel, CO | 16.1 mi |
| 81212 | Canon City, CO | 17.8 mi |
| 80827 | Lake George, CO | 20.1 mi |
| 81233 | Howard, CO | 23.8 mi |
| 80814 | Divide, CO | 24 mi |
| 80813 | Cripple Creek, CO | 25.5 mi |
| 80860 | Victor, CO | 25.8 mi |
| 81223 | Cotopaxi, CO | 26.6 mi |
| 80809 | Cascade, CO | 31.2 mi |
| 80863 | Woodland Park, CO | 31.8 mi |
| 81201 | Salida, CO | 31.8 mi |
Questions about 80820
What is the ZIP+4 code for 80820?
80820 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 80820, you need to look up a specific street address to get them.
What city is 80820?
80820 is assigned to Guffey, Colorado, in Park 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.