ZIP Code 85320 — Aguila, AZ
85320 is a standard (street delivery) ZIP code serving Aguila, Arizona, in Maricopa 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 85320 at a glance
| ZIP code | 85320 |
|---|---|
| Primary city | Aguila |
| State | Arizona (AZ) |
| County | Maricopa FIPS 04013 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Phoenix |
| Population | 458 |
| Coordinates | 33.835630, -113.232140 |
How ZIP+4 works in 85320
The four digits after the hyphen encode a delivery segment inside 85320. 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 85320 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 85320.
| ZIP | City | Distance |
|---|---|---|
| 85357 | Wenden, AZ | 19.7 mi |
| 85390 | Wickenburg, AZ | 21.8 mi |
| 85348 | Salome, AZ | 26.5 mi |
| 85354 | Tonopah, AZ | 31 mi |
| 85332 | Congress, AZ | 31.3 mi |
| 85362 | Yarnell, AZ | 38.2 mi |
| 85396 | Buckeye, AZ | 39.4 mi |
| 85343 | Palo Verde, AZ | 46.3 mi |
Questions about 85320
What is the ZIP+4 code for 85320?
85320 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 85320, you need to look up a specific street address to get them.
What city is 85320?
85320 is assigned to Aguila, Arizona, in Maricopa 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.