| Sultan Kudarat | |
| Area | Zip |
| Bagumbayan | 9810 |
| Columbio | 9801 |
| Esperanza (Ampatuan) | 9806 |
| Isulan | 9805 |
| Kalamansig | 9808 |
| Lebak (Salaman) | 9807 |
| Lutayan | 9803 |
| Mariano Marcos | 9802 |
| Palimbang | 9809 |
| President Quirino | 9804 |
| Senator Ninoy Aquino | 9811 |
| Takurong | 9800 |
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