| Locality | Post Code |
|---|---|
| Albert, Gillespie | 78671 |
| Bankersmith, Gillespie | 78624 |
| Blumenthal, Gillespie | 78624 |
| Cherry Spring, Gillespie | 78624 |
| Doss, Gillespie | 78618 |
| Fredericksburg, Gillespie | 78624 |
| Gold, Gillespie | 78624 |
| Harper, Gillespie | 78631 |
| Knoxville, Gillespie | 78631 |
| Luckenback, Gillespie | 78624 |
| Morris Ranch, Gillespie | 78624 |
| Spring Creek, Gillespie | 78624 |
| Stonewall, Gillespie | 78671 |
| Tivydale, Gillespie | 78624 |
| Willow City, Gillespie | 78675 |