ZIP Code 81429 — Paradox, CO
81429 is a standard (street delivery) ZIP code serving Paradox, Colorado, in Montrose 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 81429 at a glance
| ZIP code | 81429 |
|---|---|
| Primary city | Paradox |
| State | Colorado (CO) |
| County | Montrose FIPS 08085 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 129 |
| Coordinates | 38.341210, -108.907320 |
How ZIP+4 works in 81429
The four digits after the hyphen encode a delivery segment inside 81429. 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 81429 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 81429.
| ZIP | City | Distance |
|---|---|---|
| 81411 | Bedrock, CO | 7.3 mi |
| 81422 | Naturita, CO | 10.9 mi |
| 81522 | Gateway, CO | 22 mi |
| 81424 | Nucla, CO | 23.5 mi |
| 81431 | Redvale, CO | 25.5 mi |
| 84530 | La Sal, UT | 28.1 mi |
| 81423 | Norwood, CO | 32.1 mi |
| 81325 | Egnar, CO | 32.3 mi |
| 84532 | Moab, UT | 32.8 mi |
| 81527 | Whitewater, CO | 35.4 mi |
| 84535 | Monticello, UT | 40.1 mi |
Questions about 81429
What is the ZIP+4 code for 81429?
81429 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 81429, you need to look up a specific street address to get them.
What city is 81429?
81429 is assigned to Paradox, Colorado, in Montrose 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.