ZIP codes in Eagle County
14 ZIPs touch Eagle County, Colorado. The blue dashed line is the county border; orange ZIPs reach into it.
14
ZIP codes
5
cross the county line
69,874
people in these ZIPs
64
counties in CO
Most people
Eagle County ZIP list
More counties in Colorado
- Crowley County7
- Custer County4
- Delta County10
- Denver County63
- Dolores County5
- Douglas County19
- El Paso County69
- Elbert County15
- Fremont County14
- Garfield County10
- Gilpin County5
- Grand County10
Questions people actually ask
How many ZIP codes are in Eagle County, Colorado?
14 ZIP codes reach into Eagle County, including 1 PO Box or single-address ZIPs placed by the town they serve. 5 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Eagle County has the most people?
81623 (Carbondale) has about 15,067 residents, the most of any ZIP touching Eagle County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Eagle County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Eagle County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from