ZIP Code 80135 — Sedalia, CO
80135 is a standard (street delivery) ZIP code serving Sedalia, Colorado, in Douglas 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 80135 at a glance
| ZIP code | 80135 |
|---|---|
| Primary city | Sedalia |
| State | Colorado (CO) |
| County | Douglas FIPS 08035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 4,141 |
| Coordinates | 39.277630, -105.134940 |
How ZIP+4 works in 80135
The four digits after the hyphen encode a delivery segment inside 80135. 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 80135 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 80135.
| ZIP | City | Distance |
|---|---|---|
| 80425 | Buffalo Creek, CO | 7 mi |
| 80109 | Castle Rock, CO | 13.9 mi |
| 80470 | Pine, CO | 14.1 mi |
| 80118 | Larkspur, CO | 14.6 mi |
| 80125 | Littleton, CO | 14.9 mi |
| 80131 | Louviers, CO | 15.3 mi |
| 80133 | Palmer Lake, CO | 16.6 mi |
| 80127 | Littleton, CO | 16.9 mi |
| 80104 | Castle Rock, CO | 16.9 mi |
| 80863 | Woodland Park, CO | 17.4 mi |
| 80433 | Conifer, CO | 17.4 mi |
| 80108 | Castle Rock, CO | 18.9 mi |
Questions about 80135
What is the ZIP+4 code for 80135?
80135 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 80135, you need to look up a specific street address to get them.
What city is 80135?
80135 is assigned to Sedalia, Colorado, in Douglas 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.