ZIP Code 78666
San Marcos, Texas · Hays County
No34779
Zip78666
TypeSTANDARD
Decommissioned0
Primary CitySan Marcos
Acceptable Cities—
Unacceptable Cities—
StateTX
LstateTexas
CountyHays County
TimezoneAmerica/Chicago
Area Codes512, 737, 830
World RegionNA
CountryUS
Latitude29,88
Longitude-97,92