Chambers County ZIP Codes
Chambers County is a county of Texas.
- ZIP codes
- 7
- Cities & towns
- 7
- Area codes
- 6
- Land area
- 597 sq mi
Every ZIP code in Chambers County
| ZIP code | City |
|---|---|
| 77514 | Anahuac |
| 77523 | Baytown |
| 77560 | Hankamer |
| 77580 | Mont Belvieu |
| 77597 | Wallisville |
| 77661 | Stowell |
| 77665 | Winnie |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Chambers County codes above are listed without a column we would have to invent.
Cities and towns in Chambers County
A further 4 places in Chambers County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.
Area codes covering Chambers County
Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.
- 281 Area code 281
- 346 Area code 346
- 409 Area code 409
- 621 Area code 621
- 713 Area code 713
- 832 Area code 832
Where Chambers County's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope every ZIP code recorded in Chambers County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.