| Municipalities |
|---|
| Postal/ZIP Codes in Tampilisan, Zamboanga del Norte |
| Postal/ZIP Codes in Zamboanga Peninsula |
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| Postal/ZIP Codes in City of Isabela |
| Postal/ZIP Codes in Zamboanga del Norte |
| Postal/ZIP Codes in Zamboanga del Sur |
| Postal/ZIP Codes in Zamboanga Sibugay |