The following are the zip codes in the municipalities of Zamboanga Sibugay.
| Region | Provinces | City/Municipality | Zip Code |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Alicia | 7040 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Buug | 7009 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Diplahan | 7039 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Imelda | 7007 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Ipil | 7001 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Kabasalan | 7005 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Mabuhay | 7010 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Malangas | 7038 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Naga | 7004 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Olutanga | 7041 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Payao | 7008 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Roseller Lim | 7002 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Siay | 7006 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Talusan | 7012 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Titay | 7003 |
| Region 9 (Zamboanga Peninsula) | Zamboanga Sibugay | Tungawan | 7018 |
