ZIP Code 81303 — Durango, CO
81303 is a standard (street delivery) ZIP code serving Durango, Colorado, in La Plata 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 81303 at a glance
| ZIP code | 81303 |
|---|---|
| Primary city | Durango |
| State | Colorado (CO) |
| County | La Plata FIPS 08067 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 10,236 |
| Coordinates | 37.129030, -107.856770 |
How ZIP+4 works in 81303
The four digits after the hyphen encode a delivery segment inside 81303. 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 81303 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.
Other ZIP codes in Durango
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 81303.
| ZIP | City | Distance |
|---|---|---|
| 81137 | Ignacio, CO | 14.2 mi |
| 81326 | Hesperus, CO | 14.3 mi |
| 87410 | Aztec, NM | 18.2 mi |
| 87418 | La Plata, NM | 20.2 mi |
| 81122 | Bayfield, CO | 23.3 mi |
| 87419 | Navajo Dam, NM | 23.6 mi |
| 87415 | Flora Vista, NM | 24.7 mi |
| 81121 | Arboles, CO | 25.2 mi |
| 81301 | Durango, CO | 26.4 mi |
| 81328 | Mancos, CO | 27.6 mi |
| 87402 | Farmington, NM | 28.3 mi |
| 87401 | Farmington, NM | 32.4 mi |
Questions about 81303
What is the ZIP+4 code for 81303?
81303 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 81303, you need to look up a specific street address to get them.
What city is 81303?
81303 is assigned to Durango, Colorado, in La Plata 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?
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