ZIP Code 77231 is located in Houston Texas. 77231 is entirely within Harris County. Regionally, 77231 is located in Metro Houston.
| ZIP Code Name | Houston |
| Primary County | Harris County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 29.65178490,-95.48139191 |
| 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 | 0.00218047 Square Miles |
| School Districts in 77231 | |
| Elementary Schools in 77231 | |
| Middle Schools in 77231 | |
| High Schools in 77231 |