The following are the zip codes in the municipalities and cities of Sultan Kudarat.
| Region | Provinces | City/Municipality | Zip Code |
| Region 7 (Soccsksargen) | Sultan Kudarat | Bagumbayan | 9810 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Colombio | 9801 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Esperanza (Ampatuan) | 9806 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Isulan | 9805 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Kalamansig | 9808 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Lebak (Salaman) | 9807 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Lutayan | 9803 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Mariano Marcos | 9802 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Palimbang | 9809 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Pres. Quirino | 9804 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Sen. Ninoy Aquino | 9811 |
| Region 7 (Soccsksargen) | Sultan Kudarat | Takurong | 9800 |
