ZIP code 78666 is located in San Marcos, Texas. This area is part of the TX postal region.
San Marcos is served by ZIP code 78666. The timezone for this area is America/Chicago.
78666 Overview
San Marcos, Texas
ZIP BOUNDARY
Geographic Information
STATE
Texas (TX)
CITY
San Marcos
TIMEZONE
America/Chicago
COORDINATES
29.8826, -97.9797
About ZIP Code 78666
Frequently Asked Questions
What city is ZIP code 78666 in?
78666 is in San Marcos, Texas.
What state is 78666 in?
ZIP code 78666 is in Texas (TX).
What is the timezone for 78666?
The timezone is America/Chicago.
Data Disclaimer
Data is for informational purposes only. Please verify through official sources like USPS.