34 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 06790 | Torrington | 35,566 |
| 06098 | Winsted | 10,263 |
| 06013 | Burlington | 9,680 |
| 06057 | New Hartford | 6,363 |
| 06791 | Harwinton | 5,602 |
| 06759 | Litchfield | 5,442 |
| 06063 | Barkhamsted | 3,328 |
| 06756 | Goshen | 3,037 |
| 06069 | Sharon | 2,601 |
| 06018 | Canaan | 2,587 |
| 06783 | Roxbury | 2,185 |
| 06763 | Morris | 2,151 |
| 06757 | Kent | 2,125 |
| 06068 | Salisbury | 2,034 |
| 06039 | Lakeville | 1,918 |
| 06058 | Norfolk | 1,793 |
| 06777 | New Preston Marble Dale | 1,771 |
| 06754 | Cornwall Bridge | 1,656 |
| 06778 | Northfield | 1,574 |
| 06031 | Falls Village | 1,520 |
| 06021 | Colebrook | 1,494 |
| 06750 | Bantam | 1,387 |
| 06794 | Washington Depot | 1,282 |
| 06027 | East Hartland | 1,193 |
| 06793 | Washington | 1,031 |
| 06796 | West Cornwall | 821 |
| 06785 | South Kent | 818 |
| 06065 | Riverton | 712 |
| 06024 | East Canaan | 634 |
| 06061 | Pine Meadow | 312 |
| 06091 | West Hartland | 253 |
| 06753 | Cornwall | 91 |
| 06079 | Taconic | 19 |
| 06758 | Lakeside | 13 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 34 ZCTAs in Northwest Hills Planning Region, Connecticut (US Census).