7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 77523 | Baytown | 30,186 |
| 77665 | Winnie | 7,511 |
| 77514 | Anahuac | 5,480 |
| 77560 | Hankamer | 1,238 |
| 77597 | Wallisville | 623 |
| 77661 | Stowell | 102 |
| 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).