ZIP Code 86042 — Polacca, AZ
86042 is a standard (street delivery) ZIP code serving Polacca, Arizona, in Navajo 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 86042 at a glance
| ZIP code | 86042 |
|---|---|
| Primary city | Polacca |
| State | Arizona (AZ) |
| County | Navajo FIPS 04017 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Phoenix |
| Population | 2,019 |
| Coordinates | 35.864980, -110.384470 |
How ZIP+4 works in 86042
The four digits after the hyphen encode a delivery segment inside 86042. 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 86042 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 86042.
| ZIP | City | Distance |
|---|---|---|
| 86043 | Second Mesa, AZ | 8.9 mi |
| 86039 | Kykotsmovi Village, AZ | 13.3 mi |
| 86034 | Keams Canyon, AZ | 15.2 mi |
| 86030 | Hotevilla, AZ | 23.6 mi |
| 86510 | Pinon, AZ | 26 mi |
| 86520 | Blue Gap, AZ | 27.6 mi |
Questions about 86042
What is the ZIP+4 code for 86042?
86042 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 86042, you need to look up a specific street address to get them.
What city is 86042?
86042 is assigned to Polacca, Arizona, in Navajo 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.