Postal reference
ZIP 78666, Texas
ZIP code 78666 is associated with San Marcos in Texas in the GeoNames postal reference.
Reference details
- State
- Texas (TX)
- ZIP code
- 78666
- Associated localities
- San Marcos
- County names in postal records
- Hays
- Approximate postal point
- 29.8754, -97.9404
View point on map ↗
Postal information is adapted from GeoNames, CC BY 4.0. Locality associations and coordinates are approximate, not ZIP boundaries or a guarantee of current mail delivery.