ZIP Code 86511 — Saint Michaels, AZ
86511 is a standard (street delivery) ZIP code serving Saint Michaels, Arizona, in Apache 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 86511 at a glance
| ZIP code | 86511 |
|---|---|
| Primary city | Saint Michaels |
| State | Arizona (AZ) |
| County | Apache FIPS 04001 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 3,583 |
| Coordinates | 35.665360, -109.263970 |
How ZIP+4 works in 86511
The four digits after the hyphen encode a delivery segment inside 86511. 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 86511 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 86511.
| ZIP | City | Distance |
|---|---|---|
| 86504 | Fort Defiance, AZ | 15.2 mi |
| 86515 | Window Rock, AZ | 15.5 mi |
| 86506 | Houck, AZ | 21.6 mi |
| 86540 | Nazlini, AZ | 21.6 mi |
| 87319 | Mentmore, NM | 22.2 mi |
| 86508 | Lupton, AZ | 23.9 mi |
| 87320 | Mexican Springs, NM | 24.1 mi |
| 86505 | Ganado, AZ | 25.4 mi |
| 87375 | Yatahey, NM | 26.3 mi |
| 87328 | Navajo, NM | 27.9 mi |
| 87317 | Gamerco, NM | 29.3 mi |
| 87301 | Gallup, NM | 29.7 mi |
Questions about 86511
What is the ZIP+4 code for 86511?
86511 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 86511, you need to look up a specific street address to get them.
What city is 86511?
86511 is assigned to Saint Michaels, Arizona, in Apache 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.