ZIP Code 78682 is located in Round Rock Texas. 78682 is entirely within Williamson County. Regionally, 78682 is located in Metro Austin.
| ZIP Code Name | Round Rock |
| Primary County | Williamson County |
| ZIP Code Type | Unique |
| Current Time | CST |
| Coordinates | 30.48642349,-97.67523956 |
| Adjacent ZIP Codes | |
| Region | Metro Austin |
| Metropolitan/Micropolitan Stat Area | Austin-Round Rock-Georgetown, TX |
| Time Zone | Central Standard Time |
| IANA Timezone | America/Chicago |
| School Districts in 78682 | |
| Elementary Schools in 78682 | |
| Middle Schools in 78682 | |
| High Schools in 78682 |