| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 77404 | Bay City | Matagorda County | PO Box |
| 77414 | Bay City | Matagorda County | Standard |
| 77415 | Cedar Lane | Matagorda County | PO Box |
| 77419 | Blessing | Matagorda County | PO Box |
| 77420 | Boling | Wharton County | Standard |
| 77428 | Collegeport | Matagorda County | PO Box |
| 77440 | Elmaton | Matagorda County | PO Box |
| 77456 | Markham | Matagorda County | PO Box |
| 77457 | Matagorda | Matagorda County | PO Box |
| 77458 | Midfield | Matagorda County | PO Box |
| 77465 | Palacios | Matagorda County | Standard |
| 77468 | Pledger | Matagorda County | Standard |
| 77480 | Sweeny | Brazoria County | Standard |
| 77482 | Van Vleck | Matagorda County | Standard |
| 77483 | Wadsworth | Matagorda County | PO Box |