ZIP Code 86547 — Round Rock, AZ
86547 is a standard (street delivery) ZIP code serving Round Rock, 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 86547 at a glance
| ZIP code | 86547 |
|---|---|
| Primary city | Round Rock |
| State | Arizona (AZ) |
| County | Apache FIPS 04001 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 896 |
| Coordinates | 36.527590, -109.460190 |
How ZIP+4 works in 86547
The four digits after the hyphen encode a delivery segment inside 86547. 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 86547 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 86547.
| ZIP | City | Distance |
|---|---|---|
| 86538 | Many Farms, AZ | 11.8 mi |
| 86507 | Lukachukai, AZ | 12.4 mi |
| 86545 | Rock Point, AZ | 14.6 mi |
| 86544 | Red Valley, AZ | 18.2 mi |
| 86556 | Tsaile, AZ | 24 mi |
| 86503 | Chinle, AZ | 25.6 mi |
| 86514 | Teec Nos Pos, AZ | 27.2 mi |
| 86535 | Dennehotso, AZ | 30.2 mi |
| 87461 | Sanostee, NM | 31.1 mi |
| 86520 | Blue Gap, AZ | 42.3 mi |
Questions about 86547
What is the ZIP+4 code for 86547?
86547 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 86547, you need to look up a specific street address to get them.
What city is 86547?
86547 is assigned to Round Rock, 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.