zip4lookup

ZIP Code 80451 — Hot Sulphur Springs, CO

80451 is a standard (street delivery) ZIP code serving Hot Sulphur Springs, Colorado, in Grand 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 80451 at a glance

ZIP code80451
Primary cityHot Sulphur Springs
StateColorado (CO)
CountyGrand FIPS 08049
ZIP typeStandard (street delivery)
Time zoneAmerica/Denver
Population1,265
Coordinates40.040070, -106.044560

How ZIP+4 works in 80451

The four digits after the hyphen encode a delivery segment inside 80451. In practice one segment usually means:

That is why 80451 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 80451.

ZIPCityDistance
80468 Parshall, CO 9.3 mi
80478 Tabernash, CO 10 mi
80446 Granby, CO 10.2 mi
80442 Fraser, CO 11.5 mi
80482 Winter Park, CO 16.6 mi
80498 Silverthorne, CO 20.3 mi
80447 Grand Lake, CO 21.7 mi
80459 Kremmling, CO 22.1 mi
80438 Empire, CO 23.7 mi
80474 Rollinsville, CO 26.6 mi
80466 Nederland, CO 26.6 mi
80510 Allenspark, CO 27.2 mi

Questions about 80451

What is the ZIP+4 code for 80451?

80451 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 80451, you need to look up a specific street address to get them.

What city is 80451?

80451 is assigned to Hot Sulphur Springs, Colorado, in Grand 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