Lafayette, CO ZIP Code
Lafayette, Colorado has one ZIP code: .
Mail addressed to Lafayette covers nearby places too.
Where the 80026 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Lafayette city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Lafayette
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Why your mail may say Lafayette when you live outside it
Lafayette ZIP codes also cover Leyner, so a letter addressed to Lafayette can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Boulder County property records show which city you are in.
Lafayette ZIP code questions
What is the main ZIP code for Lafayette?
80026, the ZIP code of the main Lafayette post office at 603 S Public Rd.
What county is Lafayette in?
Boulder County.
ZIP codes for towns near Lafayette
More towns near Lafayette: Arvada, Longmont, Wheat Ridge, Brighton, Commerce City, Denver, Lakewood, Englewood, Dakota Ridge.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections