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Philippine Postal Code · Region II

Santiago City ZIP Code 3311

Santiago City, Isabela

Cagayan Valley ·

Independent Component City
Philippines› ZIP Code› 3311

ZIP Code

3311

Type

Independent Component City

Barangays

0

Population

150,313

Barangays under ZIP 3311

City of Santiago is a 1st-class Independent Component City in the province of Isabela, Cagayan Valley (Region II), Philippines. Based on 2024 PSA data, it has a population of 150,313 residents.

Barangays under ZIP 3311

Angadanan Municipality
3307
Benito Soliven Municipality
3331
Cabagan Municipality
3328
Cauayan City Component City
3305
Cordon Municipality
3312
Delfin Albano Municipality
3326
Dinapigue Municipality
3335
Divilacan Municipality
3335
Echague Municipality
3309
Gamu Municipality
3301

About ZIP Code 3311

ZIP code 3311 is the Philippine postal code assigned to Santiago City, a independent component city in the province of Isabela, Cagayan Valley, . Based on PSA census data, Santiago City has a population of 150,313. Its Philippine Standard Geographic Code (PSGC) is 0203135000. This postal code is used for mail delivery, logistics, and address verification across all 0 barangays within Santiago City.