ZIP Code 81227 — Monarch, CO
81227 is a standard (street delivery) ZIP code serving Monarch, Colorado, in Chaffee 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 81227 at a glance
| ZIP code | 81227 |
|---|---|
| Primary city | Monarch |
| State | Colorado (CO) |
| County | Chaffee FIPS 08015 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 93 |
| Coordinates | 38.549340, -106.290090 |
How ZIP+4 works in 81227
The four digits after the hyphen encode a delivery segment inside 81227. 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 81227 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 81227.
| ZIP | City | Distance |
|---|---|---|
| 81236 | Nathrop, CO | 10.3 mi |
| 81201 | Salida, CO | 11.3 mi |
| 81241 | Pitkin, CO | 12 mi |
| 81242 | Poncha Springs, CO | 12.9 mi |
| 81248 | Sargents, CO | 14.5 mi |
| 81237 | Ohio City, CO | 17.1 mi |
| 81239 | Parlin, CO | 17.2 mi |
| 81155 | Villa Grove, CO | 22.1 mi |
| 81211 | Buena Vista, CO | 24 mi |
| 81210 | Almont, CO | 25.8 mi |
| 81233 | Howard, CO | 26 mi |
| 81222 | Coaldale, CO | 28.9 mi |
Questions about 81227
What is the ZIP+4 code for 81227?
81227 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 81227, you need to look up a specific street address to get them.
What city is 81227?
81227 is assigned to Monarch, Colorado, in Chaffee 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.