Postal reference / United States
78667San Marcos, Texas
ZIP code 78667 is a United States postal code for San Marcos, Texas. Its county association is Hays County. The map reference point is at 30.0544, -98.0036.
- State / territory
- Texas
- Recorded place name
- San Marcos
- County association
- Hays
- Estimated coordinate
- 30.0544, -98.0036
View on OpenStreetMap - ZIP prefix
- 786 · 75 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
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Texas directoryOther ZIP codes in San Marcos, TX
San Marcos has 2 ZIP codes in the reference dataset.
- 78666Hays
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 78619 | Driftwood | TX | Hays | 4.0 |
| 78676 | Wimberley | TX | Hays | 6.8 |
| 78610 | Buda | TX | Hays | 9.3 |
| 78652 | Manchaca | TX | Travis | 10.9 |
| 78640 | Kyle | TX | Hays | 10.9 |
| 78739 | Austin | TX | Travis | 11.0 |
| 78737 | Austin | TX | Travis | 11.4 |
| 78666 | San Marcos | TX | Hays | 12.9 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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