7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 77523 | Baytown | 27,489 |
| 77665 | Winnie | 6,593 |
| 77514 | Anahuac | 5,541 |
| 77560 | Hankamer | 1,079 |
| 77597 | Wallisville | 398 |
| 77661 | Stowell | 371 |
| 77580 | Mont Belvieu | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Chambers County, Texas (US Census).