| Zip Code | City | Population ↓ |
|---|---|---|
| 3894 | Wolfeboro | 6,528 |
| 3254 | Moultonborough | 4,996 |
| 3860 | North Conway | 4,040 |
| 3872 | Sanbornville | 4,020 |
| 3818 | Conway | 3,751 |
| 3813 | Center Conway | 3,655 |
| 3814 | Center Ossipee | 2,507 |
| 3864 | Ossipee | 1,934 |
| 3882 | Effingham | 1,760 |
| 3816 | Center Tuftonboro | 1,469 |
| 3227 | Center Sandwich | 1,461 |
| 3849 | Madison | 1,360 |
| 3830 | East Wakefield | 1,350 |
| 3836 | Freedom | 1,336 |
| 3886 | Tamworth | 1,278 |
| 3875 | Silver Lake | 1,236 |
| 3846 | Jackson | 1,144 |
| 3838 | Glen | 1,097 |
| 3845 | Intervale | 1,078 |
| 3812 | Bartlett | 979 |
| 3817 | Chocorua | 882 |
| 3853 | Mirror Lake | 824 |
| 3883 | South Tamworth | 583 |
| 3832 | Eaton Center | 355 |
| 3259 | North Sandwich | 246 |
| 3847 | Kearsarge | 192 |
| 3850 | Melvin Village | 130 |
| 3890 | West Ossipee | 51 |
| 3897 | Wonalancet | 5 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 29 ZCTAs in Carroll County, New Hampshire (US Census).