Galveston County ZIP Codes
Galveston County is a county of Texas.
- ZIP codes
- 23
- Cities & towns
- 13
- Area codes
- 6
- Land area
- 379 sq mi
Every ZIP code in Galveston County
| ZIP code | City |
|---|---|
| 77510 | Santa Fe |
| 77517 | Santa Fe |
| 77518 | Bacliff |
| 77539 | Dickinson |
| 77546 | Friendswood |
| 77549 | Friendswood |
| 77550 | Galveston |
| 77551 | Galveston |
| 77552 | Galveston |
| 77553 | Galveston |
| 77554 | Galveston |
| 77555 | Galveston |
| 77563 | Hitchcock |
| 77565 | Kemah |
| 77568 | La Marque |
| 77573 | League City |
| 77574 | League City |
| 77590 | Texas City |
| 77591 | Texas City |
| 77592 | Texas City |
| 77617 | Gilchrist |
| 77623 | High Island |
| 77650 | Port Bolivar |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Galveston County codes above are listed without a column we would have to invent.
Cities and towns in Galveston County
A further 4 places in Galveston 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 Galveston 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 Galveston 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 Galveston 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.