| Locality | Post Code |
|---|---|
| Ben Arnold, Milam | 76519 |
| Buckholts, Milam | 76518 |
| Burlington, Milam | 76519 |
| Cameron, Milam | 76520 |
| Cross Roads, Milam | 76520 |
| Cyclone, Milam | 76519 |
| Davilla, Milam | 76523 |
| Detmold, Milam | 76577 |
| Gano, Milam | 76577 |
| Gause, Milam | 77857 |
| Hoyte, Milam | 76520 |
| Jones Prairie, Milam | 76520 |
| Lilac, Milam | 76577 |
| Maysfield, Milam | 76520 |
| Meeks, Milam | 76519 |
| Milano, Milam | 76556 |
| Minerva, Milam | 76567 |
| Nile, Milam | 76577 |
| Pettibone, Milam | 76520 |
| Praesel, Milam | 76567 |
| Rockdale, Milam | 76567 |
| Salty, Milam | 76567 |
| San Gabriel, Milam | 76577 |
| Sharp, Milam | 76518 |
| South Elm, Milam | 76518 |
| Thorndale, Milam | 76577 |