Barangays under ZIP 3520

Calayan is a 1st-class Municipality in the province of Cagayan, Cagayan Valley (Region II), Philippines. Based on 2024 PSA data, it has a population of 18,008 residents.

Barangays under ZIP 3520

12 total

Babuyan Claro 3520	Balatubat 3520	Cabudadan 3520
Centro II 3520	Dadao 3520	Dalupiri 3520
Dibay 3520	Dilam 3520	Magsidel 3520
Minabel 3520	Naguilian 3520	Poblacion 3520

Barangays under ZIP 3520

Abulug Municipality

3517

Alcala Municipality

3506

Allacapan Municipality

3523

Amulung Municipality

3505

Aparri Municipality

3515

Baggao Municipality

3506

Ballesteros Municipality

3516

Buguey Municipality

3511

Camalaniugan Municipality

3510

Enrile Municipality

3501

About ZIP Code 3520

ZIP code 3520 is the Philippine postal code assigned to Calayan, a municipality in the province of Cagayan, Cagayan Valley, . Based on PSA census data, Calayan has a population of 18,008. Its Philippine Standard Geographic Code (PSGC) is 0201509000. This postal code is used for mail delivery, logistics, and address verification across all 12 barangays within Calayan.