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San Marcos, Texas Zip Codes
San Marcos, Texas 78666
Postal Station Type: Post Office
Latitude: 29.878458 Longitude: -98.020018
Zip Code Classification: Non-Unique
Zip Code Crosses County Lines: Yes
Postal Station Type: Post Office
Latitude: 29.878458 Longitude: -98.020018
Zip Code Classification: Non-Unique
Zip Code Crosses County Lines: Yes
San Marcos, Texas 78667
Postal Station Type: P.O. Box
Latitude: 29.8834 Longitude: -97.9412
Zip Code Classification: PO Box Zip Code