Caldwell County Texas is covered by a total of 15 ZIP Codes. There are 11 ZIP Codes in Caldwell County that extend into adjacent counties (Bastrop County, Comal County, Fayette County, Gonzales County, Guadalupe County, Hays County, and Travis County). Of the ZIP codes within or partially within Caldwell County there are 13 Standard ZIP Codes and 2 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Caldwell County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Buda | Standard | |||
| Dale | Standard | |||
| Fentress | PO Box | |||
| Harwood | Standard | |||
| Kingsbury | Standard | |||
| Kyle | Standard | |||
| Lockhart | Standard | |||
| Luling | Standard | |||
| Martindale | Standard | |||
| Maxwell | Standard | |||
| Prairie Lea | PO Box | |||
| Red Rock | Standard | |||
| San Marcos | Standard | |||
| Rosanky | Standard | |||
| Waelder | Standard |