ZIP Code 80434 — Cowdrey, CO
80434 is a standard (street delivery) ZIP code serving Cowdrey, Colorado, in Jackson 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 80434 at a glance
| ZIP code | 80434 |
|---|---|
| Primary city | Cowdrey |
| State | Colorado (CO) |
| County | Jackson FIPS 08057 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 32 |
| Coordinates | 40.912090, -106.282280 |
How ZIP+4 works in 80434
The four digits after the hyphen encode a delivery segment inside 80434. 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 80434 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 80434.
| ZIP | City | Distance |
|---|---|---|
| 82063 | Jelm, WY | 15.5 mi |
| 80480 | Walden, CO | 16.9 mi |
| 80430 | Coalmont, CO | 29.1 mi |
| 82055 | Centennial, WY | 30.6 mi |
| 82070 | Laramie, WY | 30.7 mi |
| 80545 | Red Feather Lakes, CO | 30.8 mi |
| 82325 | Encampment, WY | 31.7 mi |
| 80473 | Rand, CO | 32.5 mi |
| 82331 | Saratoga, WY | 43.2 mi |
Questions about 80434
What is the ZIP+4 code for 80434?
80434 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 80434, you need to look up a specific street address to get them.
What city is 80434?
80434 is assigned to Cowdrey, Colorado, in Jackson 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.