ZIP Code 78666 — San Marcos, Texas
ZIP code 78666 belongs to San Marcos, Texas (county: Hays). It sits at latitude 29.8754, longitude -97.9404 in the America/Chicago time zone.
| Field | Value |
|---|---|
| ZIP code | 78666 |
| City / place | San Marcos |
| State | Texas |
| County | Hays |
| Coordinates | 29.8754, -97.9404 |
| Time zone | America/Chicago |
| City population | 60,684 |
| ZIP type | PO box / unique |
| Telephone area codes | 512, 737 |
What is ZIP code 78666?
78666 is a five-digit ZIP code used by the United States Postal Service for San Marcos, Texas. It is one of 2 ZIP codes associated with San Marcos in this dataset. The delivery area is served from the local post office network, so the ZIP can cover more than one neighbourhood or even cross a city line.
ZIP codes in the same city
Area codes and city profile
Telephone area codes serving San Marcos: 512, 737. For population, county and county-seat details, see San Marcos and all places in Texas.
Nearby ZIP codes
78640 17.0 km · Kyle78667 20.8 km · San Marcos78130 21.3 km · New Braunfels78644 25.4 km · Lockhart78610 25.5 km · Buda78131 26.1 km · New Braunfels78135 26.1 km · New Braunfels78132 28.2 km · New Braunfels
Frequently asked questions
What city is ZIP code 78666 in?
ZIP code 78666 is in San Marcos, Texas.
What county is 78666 in?
78666 belongs to Hays in Texas.
What time zone is ZIP code 78666 in?
78666 is in the America/Chicago time zone.