| Municipalities |
|---|
| Alabel, Sarangani |
| Glan, Sarangani |
| Kiamba, Sarangani |
| Maasim, Sarangani |
| Maitum, Sarangani |
| Malapatan, Sarangani |
| Malungon, Sarangani |
| All postal codes in Soccsksargen |
|---|
| Cotabato City |
| Cotabato (North Cotabato) |
| Sarangani |
| South Cotabato |
| Sultan Kudarat |