ZIP Code 80427 — Central City, CO
80427 is a standard (street delivery) ZIP code serving Central City, Colorado, in Gilpin 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 80427 at a glance
| ZIP code | 80427 |
|---|---|
| Primary city | Central City |
| State | Colorado (CO) |
| County | Gilpin FIPS 08047 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 567 |
| Coordinates | 39.793660, -105.524130 |
How ZIP+4 works in 80427
The four digits after the hyphen encode a delivery segment inside 80427. 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 80427 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 80427.
| ZIP | City | Distance |
|---|---|---|
| 80422 | Black Hawk, CO | 4.9 mi |
| 80436 | Dumont, CO | 6.4 mi |
| 80452 | Idaho Springs, CO | 6.9 mi |
| 80474 | Rollinsville, CO | 9.2 mi |
| 80403 | Golden, CO | 11.1 mi |
| 80471 | Pinecliffe, CO | 11.2 mi |
| 80439 | Evergreen, CO | 12.1 mi |
| 80466 | Nederland, CO | 13.6 mi |
| 80438 | Empire, CO | 13.9 mi |
| 80025 | Eldorado Springs, CO | 15.2 mi |
| 80457 | Kittredge, CO | 15.4 mi |
| 80444 | Georgetown, CO | 15.7 mi |
Questions about 80427
What is the ZIP+4 code for 80427?
80427 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 80427, you need to look up a specific street address to get them.
What city is 80427?
80427 is assigned to Central City, Colorado, in Gilpin 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.