Longmont, CO ZIP Codes

ZIP code, county, time zone and coordinates of Longmont, Colorado

The ZIP code of Longmont, CO is 80501. Longmont has 2 ZIP codes: 80501, 80504. It is in Boulder County.

Mailing address format for Longmont

John Smith
123 Main St
LONGMONT CO 80501
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in Longmont

ZIP codePopulationArea
80501—12.6 sq miMain
80504—94.6 sq mi

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is Longmont? Location, county and time zone

State
Colorado
County
Boulder County
GPS coordinates
40.16820, -105.10052
Elevation
4,984 ft (1,519 m)
Time zone
America/DenverMST · UTC-07:00
Population
98,885

Map of Longmont, CO 80501

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ZIP codes near Longmont

Longmont ZIP code: FAQ

What is the ZIP code for Longmont, CO?

The main ZIP code for Longmont, CO is 80501. All ZIP codes: 80501, 80504.

How many ZIP codes does Longmont have?

Longmont has 2 ZIP codes.

What county is Longmont, CO in?

Longmont is in Boulder County, Colorado.

What time zone is Longmont in?

Longmont is in the America/Denver time zone (MST, UTC-07:00 right now).

What are the coordinates of Longmont?

Latitude 40.16820, longitude -105.10052.

Last updated: