ZIP Code 75663 is located in Kilgore Texas. 75663 is entirely within Gregg County. Regionally, it is located in the Tyler-Longview-Paris Area.
| ZIP Code Name | Kilgore |
| Primary County | Gregg County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 32.38916779,-94.87291718 |
| Adjacent ZIP Codes | |
| Region | Tyler-Longview-Paris Area |
| Metropolitan/Micropolitan Stat Area | Longview, TX |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |