ZIP Code 05648 — Calais, VT
05648 is a standard (street delivery) ZIP code serving Calais, Vermont, in Washington 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 05648 at a glance
| ZIP code | 05648 |
|---|---|
| Primary city | Calais |
| State | Vermont (VT) |
| County | Washington FIPS 50023 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 483 |
| Coordinates | 44.383720, -72.493550 |
How ZIP+4 works in 05648
The four digits after the hyphen encode a delivery segment inside 05648. 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 05648 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 05648.
| ZIP | City | Distance |
|---|---|---|
| 05640 | Adamant, VT | 2.5 mi |
| 05650 | East Calais, VT | 2.8 mi |
| 05666 | North Montpelier, VT | 4 mi |
| 05682 | Worcester, VT | 4.1 mi |
| 05658 | Marshfield, VT | 7.1 mi |
| 05651 | East Montpelier, VT | 7.3 mi |
| 05681 | Woodbury, VT | 7.4 mi |
| 05667 | Plainfield, VT | 8.5 mi |
| 05602 | Montpelier, VT | 9.1 mi |
| 05647 | Cabot, VT | 10.1 mi |
| 05677 | Waterbury Center, VT | 10.6 mi |
| 05680 | Wolcott, VT | 10.7 mi |
Questions about 05648
What is the ZIP+4 code for 05648?
05648 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 05648, you need to look up a specific street address to get them.
What city is 05648?
05648 is assigned to Calais, Vermont, in Washington 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.