15 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 70605 | Lake Charles | 40,715 |
| 70601 | Lake Charles | 31,843 |
| 70663 | Sulphur | 29,511 |
| 70607 | Lake Charles | 28,285 |
| 70611 | Lake Charles | 20,681 |
| 70615 | Lake Charles | 13,521 |
| 70665 | Sulphur | 12,891 |
| 70647 | Iowa | 12,056 |
| 70669 | Westlake | 9,183 |
| 70633 | Dequincy | 8,178 |
| 70668 | Vinton | 6,347 |
| 70661 | Starks | 1,712 |
| 70609 | Lake Charles | 412 |
| 70646 | Hayes | 304 |
| 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).