ZIP Code 80018 — Aurora, CO
80018 is a standard (street delivery) ZIP code serving Aurora, Colorado, in Arapahoe 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 80018 at a glance
| ZIP code | 80018 |
|---|---|
| Primary city | Aurora |
| State | Colorado (CO) |
| County | Arapahoe FIPS 08005 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 19,072 |
| Coordinates | 39.690710, -104.680960 |
How ZIP+4 works in 80018
The four digits after the hyphen encode a delivery segment inside 80018. 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 80018 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.
Other ZIP codes in Aurora
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 80018.
| ZIP | City | Distance |
|---|---|---|
| 80137 | Watkins, CO | 4.9 mi |
| 80013 | Aurora, CO | 4.9 mi |
| 80017 | Aurora, CO | 4.9 mi |
| 80019 | Aurora, CO | 6.7 mi |
| 80011 | Aurora, CO | 6.9 mi |
| 80016 | Aurora, CO | 7 mi |
| 80015 | Aurora, CO | 7.5 mi |
| 80012 | Aurora, CO | 8.4 mi |
| 80014 | Aurora, CO | 8.5 mi |
| 80045 | Aurora, CO | 9.2 mi |
| 80010 | Aurora, CO | 10.2 mi |
| 80239 | Denver, CO | 10.5 mi |
Questions about 80018
What is the ZIP+4 code for 80018?
80018 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 80018, you need to look up a specific street address to get them.
What city is 80018?
80018 is assigned to Aurora, Colorado, in Arapahoe 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.