ZIP Code 77491 is located in Katy Texas. 77491 is entirely within Harris County. Regionally, it is located in Metro Houston.
| ZIP Code Name | Katy |
| Primary County | Harris County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 29.78969193,-95.72807312 |
| Adjacent ZIP Codes | |
| Region | Metro Houston |
| Metropolitan/Micropolitan Stat Area | Houston-The Woodlands-Sugar Land, TX |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 0.00242917 Square Miles |