| Locality | Post Code |
|---|---|
| Addison, Steuben | 14801 |
| Arkport, Steuben | 14807 |
| Atlanta, Steuben | 14808 |
| Avoca, Steuben | 14809 |
| Bath, Steuben | 14810 |
| Cameron, Steuben | 14819 |
| Cameron Mills, Steuben | 14820 |
| Campbell, Steuben | 14821 |
| Canisteo, Steuben | 14823 |
| Cohocton, Steuben | 14826 |
| Coopers Plains, Steuben | 14827 |
| Corning, Steuben | 14830, 14831 |
| Greenwood, Steuben | 14839 |
| Hammondsport, Steuben | 14840 |
| Hornell, Steuben | 14843 |
| Jasper, Steuben | 14855 |
| Kanona, Steuben | 14856 |
| Lindley, Steuben | 14858 |
| North Cohocton, Steuben | 14808 |
| North Hornell, Steuben | 14843 |
| Painted Post, Steuben | 14870 |
| Perkinsville, Steuben | 14529 |
| Prattsburgh, Steuben | 14873 |
| Pulteney, Steuben | 14874 |
| Rexville, Steuben | 14877 |
| Savona, Steuben | 14879 |