zip4lookup

ZIP Code 80238 — Denver, CO

80238 is a standard (street delivery) ZIP code serving Denver, Colorado, in Denver 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.

Free. No account needed.

ZIP code 80238 at a glance

ZIP code80238
Primary cityDenver
StateColorado (CO)
CountyDenver FIPS 08031
ZIP typeStandard (street delivery)
Time zoneAmerica/Denver
Population30,575
Coordinates39.777220, -104.880800

How ZIP+4 works in 80238

The four digits after the hyphen encode a delivery segment inside 80238. In practice one segment usually means:

That is why 80238 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 Denver

Nearby ZIP codes

Showing the closest twelve. See every ZIP code within 25 miles of 80238.

ZIPCityDistance
80266 Denver, CO 1.4 mi
80207 Denver, CO 2.2 mi
80239 Denver, CO 2.6 mi
80010 Aurora, CO 2.8 mi
80045 Aurora, CO 3.1 mi
80220 Denver, CO 3.5 mi
80230 Denver, CO 4 mi
80216 Denver, CO 4.3 mi
80205 Denver, CO 4.6 mi
80024 Dupont, CO 5 mi
80206 Denver, CO 5 mi
80011 Aurora, CO 5.3 mi

Questions about 80238

What is the ZIP+4 code for 80238?

80238 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 80238, you need to look up a specific street address to get them.

What city is 80238?

80238 is assigned to Denver, Colorado, in Denver 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.

Bulk lookup API docs