ZIP Code 05489 — Underhill, VT
05489 is a standard (street delivery) ZIP code serving Underhill, Vermont, in Chittenden County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 05489 at a glance
| ZIP code | 05489 |
|---|---|
| Primary city | Underhill |
| State | Vermont (VT) |
| County | Chittenden FIPS 50007 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,484 |
| Coordinates | 44.545800, -72.894710 |
How ZIP+4 works in 05489
The four digits after the hyphen encode a delivery segment inside 05489. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 05489 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 05489.
| ZIP | City | Distance |
|---|---|---|
| 05444 | Cambridge, VT | 5.6 mi |
| 05465 | Jericho, VT | 6.3 mi |
| 05494 | Westford, VT | 7.2 mi |
| 05464 | Jeffersonville, VT | 8.4 mi |
| 05452 | Essex Junction, VT | 8.5 mi |
| 05672 | Stowe, VT | 9.6 mi |
| 05477 | Richmond, VT | 11.5 mi |
| 05656 | Johnson, VT | 12.4 mi |
| 05495 | Williston, VT | 12.6 mi |
| 05454 | Fairfax, VT | 12.7 mi |
| 05492 | Waterville, VT | 13.4 mi |
| 05661 | Morrisville, VT | 13.7 mi |
Questions about 05489
What is the ZIP+4 code for 05489?
05489 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 05489, you need to look up a specific street address to get them.
What city is 05489?
05489 is assigned to Underhill, Vermont, in Chittenden County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.