ZIP Code 80045 — Aurora, CO
80045 is a standard (street delivery) ZIP code serving Aurora, Colorado, in Adams 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 80045 at a glance
| ZIP code | 80045 |
|---|---|
| Primary city | Aurora |
| State | Colorado (CO) |
| County | Adams FIPS 08001 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 1,676 |
| Coordinates | 39.747020, -104.838430 |
How ZIP+4 works in 80045
The four digits after the hyphen encode a delivery segment inside 80045. 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 80045 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 80045.
| ZIP | City | Distance |
|---|---|---|
| 80010 | Aurora, CO | 1.3 mi |
| 80011 | Aurora, CO | 2.6 mi |
| 80239 | Denver, CO | 2.8 mi |
| 80238 | Denver, CO | 3.1 mi |
| 80230 | Denver, CO | 3.3 mi |
| 80012 | Aurora, CO | 3.3 mi |
| 80247 | Denver, CO | 4.1 mi |
| 80220 | Denver, CO | 4.2 mi |
| 80207 | Denver, CO | 4.3 mi |
| 80266 | Denver, CO | 4.4 mi |
| 80017 | Aurora, CO | 4.8 mi |
| 80224 | Denver, CO | 5.6 mi |
Questions about 80045
What is the ZIP+4 code for 80045?
80045 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 80045, you need to look up a specific street address to get them.
What city is 80045?
80045 is assigned to Aurora, Colorado, in Adams 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.