13 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 46032 | Carmel | 51,515 |
| 46074 | Westfield | 48,901 |
| 46037 | Fishers | 48,713 |
| 46060 | Noblesville | 47,610 |
| 46038 | Fishers | 43,754 |
| 46062 | Noblesville | 41,060 |
| 46033 | Carmel | 40,881 |
| 46034 | Cicero | 7,531 |
| 46280 | Indianapolis | 7,514 |
| 46069 | Sheridan | 7,504 |
| 46030 | Arcadia | 3,035 |
| 46031 | Atlanta | 2,456 |
| 46290 | Indianapolis | 81 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 13 ZCTAs in Hamilton County, Indiana (US Census).