What County Is 78666 In?

ZIP 78666 is located in

Hays County

San Marcos, Texas (TX)

29.88°N, 97.98°W · FIPS 48209

Hays County — ZIP 78666

ZIP 78666 highlighted in Hays County, Texas. Click neighboring ZIPs to explore.

ZIP Code Details

ZIP Code78666
CountyHays County
CitySan Marcos
StateTexas (TX)
FIPS Code48209

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Nearby ZIP Codes

78663 Round Mountain, TX Blanco County 78664 Round Rock, TX Williamson County 78665 , TX Williamson County 78667 , TX Hays County 78669 Spicewood, TX Travis County

Frequently Asked Questions

What county is ZIP code 78666 in?

ZIP code 78666 is located in Hays County, Texas (TX).

What city is ZIP code 78666 in?

ZIP code 78666 is primarily associated with San Marcos, Texas.

What state is ZIP code 78666 in?

ZIP code 78666 is in the state of Texas (TX).