ZIP Code 06712 — Prospect, CT
06712 is a standard (street delivery) ZIP code serving Prospect, Connecticut, in Naugatuck Valley 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 06712 at a glance
| ZIP code | 06712 |
|---|---|
| Primary city | Prospect |
| State | Connecticut (CT) |
| County | Naugatuck Valley FIPS 09140 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 9,458 |
| Coordinates | 41.499270, -72.976090 |
How ZIP+4 works in 06712
The four digits after the hyphen encode a delivery segment inside 06712. 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 06712 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 06712.
| ZIP | City | Distance |
|---|---|---|
| 06706 | Waterbury, CT | 3.4 mi |
| 06705 | Waterbury, CT | 3.5 mi |
| 06410 | Cheshire, CT | 3.8 mi |
| 06770 | Naugatuck, CT | 4 mi |
| 06444 | Marion, CT | 5 mi |
| 06524 | Bethany, CT | 5.1 mi |
| 06702 | Waterbury, CT | 5.4 mi |
| 06708 | Waterbury, CT | 5.8 mi |
| 06403 | Beacon Falls, CT | 5.9 mi |
| 06518 | Hamden, CT | 5.9 mi |
| 06467 | Milldale, CT | 6 mi |
| 06710 | Waterbury, CT | 6 mi |
Questions about 06712
What is the ZIP+4 code for 06712?
06712 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 06712, you need to look up a specific street address to get them.
What city is 06712?
06712 is assigned to Prospect, Connecticut, in Naugatuck Valley 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.