ZIP Code 06330 — Baltic, CT
06330 is a standard (street delivery) ZIP code serving Baltic, Connecticut, in Southeastern Connecticut 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 06330 at a glance
| ZIP code | 06330 |
|---|---|
| Primary city | Baltic |
| State | Connecticut (CT) |
| County | Southeastern Connecticut FIPS 09180 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,327 |
| Coordinates | 41.641990, -72.075410 |
How ZIP+4 works in 06330
The four digits after the hyphen encode a delivery segment inside 06330. 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 06330 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 06330.
| ZIP | City | Distance |
|---|---|---|
| 06350 | Hanover, CT | 0.5 mi |
| 06254 | North Franklin, CT | 3.9 mi |
| 06264 | Scotland, CT | 4.2 mi |
| 06280 | Windham, CT | 4.8 mi |
| 06266 | South Windham, CT | 5.3 mi |
| 06331 | Canterbury, CT | 5.4 mi |
| 06380 | Taftville, CT | 5.4 mi |
| 06389 | Yantic, CT | 6.2 mi |
| 06360 | Norwich, CT | 6.5 mi |
| 06351 | Jewett City, CT | 7.5 mi |
| 06336 | Gilman, CT | 7.5 mi |
| 06256 | North Windham, CT | 7.8 mi |
Questions about 06330
What is the ZIP+4 code for 06330?
06330 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 06330, you need to look up a specific street address to get them.
What city is 06330?
06330 is assigned to Baltic, Connecticut, in Southeastern Connecticut 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.