Katy, TX is located in Harris County, Fort Bend County, and Waller County.

List of Katy, TX Zip Codes:

Katy zip codes include:

• 77493
• 77449
• 77494
• 77450
• 77094

Zip codes 77491 and 77492 are Katy area P.O. Box zip codes only and do not correspond to locations on a map.

Katy, TX Zip Codes Map: