ZIP codes in Lamoille County
13 ZIPs touch Lamoille County, Vermont. The blue dashed line is the county border; orange ZIPs reach into it.
13
ZIP codes
3
cross the county line
27,221
people in these ZIPs
14
counties in VT
Most people
Lamoille County ZIP list
More counties in Vermont
- Bennington County22
- Caledonia County27
- Chittenden County29
- Essex County12
- Franklin County21
- Grand Isle County5
- Orange County34
- Orleans County25
- Rutland County34
- Washington County36
- Windham County31
- Windsor County41
Questions people actually ask
How many ZIP codes are in Lamoille County, Vermont?
13 ZIP codes reach into Lamoille County, including 2 PO Box or single-address ZIPs placed by the town they serve. 3 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Lamoille County has the most people?
05661 (Morrisville) has about 6,227 residents, the most of any ZIP touching Lamoille County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Lamoille 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 Lamoille 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