| Locality | Post Code |
|---|---|
| Acmar, Saint Clair | 35004 |
| Ashville, Saint Clair | 35953 |
| Branchville, Saint Clair | 35120 |
| Coal City, Saint Clair | 35182 |
| Cook Springs, Saint Clair | 35052 |
| Cropwell, Saint Clair | 35054 |
| Eden, Saint Clair | 35125 |
| Gallant, Saint Clair | 35972 |
| Glen City, Saint Clair | 35125 |
| Harrisburg, Saint Clair | 35125 |
| Leeds, Saint Clair | 35094 |
| Margaret, Saint Clair | 35112 |
| Moody, Saint Clair | 35004 |
| Odenville, Saint Clair | 35120 |
| Pell City, Saint Clair | 35125, 35128 |
| Ragland, Saint Clair | 35131 |
| Riverside, Saint Clair | 35135 |
| Springville, Saint Clair | 35146 |
| Steele, Saint Clair | 35987 |
| Vincent, Saint Clair | 35178 |
| Wattsville, Saint Clair | 35182 |