| Locality | Post Code |
|---|---|
| Ardmore, Madison | 35739 |
| Big Cove, Madison | 35763 |
| Brownsboro, Madison | 35741 |
| Gurley, Madison | 35748 |
| Hampton Cove, Madison | 35763 |
| Harvest, Madison | 35749 |
| Hazel Green, Madison | 35750 |
| Huntsville, Madison | 35801, 35802, 35803, 35805, 35806, … |
| Madison, Madison | 35757, 35758 |
| Meridianville, Madison | 35759 |
| New Hope, Madison | 35760 |
| New Market, Madison | 35761 |
| Normal, Madison | 35762 |
| Owens Cross Roads, Madison | 35763 |
| Redstone Arsenal, Madison | 35808 |
| Ryland, Madison | 35767 |
| Toney, Madison | 35773 |
| Triana, Madison | 35758 |