ZIP 05440 falls in Grand Isle County, Vermont, where we hold 3,988 parcels measured as septic county-wide and 314 on sewer. We do not have a per-ZIP parcel count for this county, so this is the county total, not a count specific to ZIP 05440.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Grand Isle County, Vermont | 100% | 8,763 | 3,988 | 314 |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We hold 3,988 parcels measured as septic for Grand Isle County, Vermont as a whole, not broken out by ZIP.
ZIP 05440 falls in Grand Isle County, Vermont.