15 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 70605 | Lake Charles | 40,482 |
| 70601 | Lake Charles | 30,872 |
| 70663 | Sulphur | 27,799 |
| 70607 | Lake Charles | 27,080 |
| 70611 | Lake Charles | 22,124 |
| 70665 | Sulphur | 13,222 |
| 70615 | Lake Charles | 12,980 |
| 70647 | Iowa | 12,736 |
| 70669 | Westlake | 9,552 |
| 70633 | Dequincy | 8,486 |
| 70668 | Vinton | 6,169 |
| 70661 | Starks | 1,861 |
| 70646 | Hayes | 877 |
| 70609 | Lake Charles | 357 |
| 70629 | Lake Charles | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 15 ZCTAs in Calcasieu Parish, Louisiana (US Census).