Calayan Postal Codes, Cagayan, Cagayan Valley Philippines

The postal code for Calayan is 3520 in Cagayan Valley, Cagayan, Philippines. The table below lists ZIP codes and postcodes for places within Calayan.

Calayan on the Map

The map above highlights the geographic boundaries of the Calayan municipalities in Philippines. The postal codes listed on this page correspond to specific towns, villages, and post offices within this area.

What to Know About Calayan

Key Facts

Calayan is a municipality located in the province of Cagayan within the Cagayan Valley region of the Philippines. Situated in the northern part of the country, Calayan is the largest of the Babuyan Islands group in the Luzon Strait, positioned approximately 24 miles north of the mainland Cagayan coast. This island municipality covers a total land area of approximately 164.5 square kilometers and has a population of around 17,000 people according to recent census data. Calayan is administratively divided into 12 barangays, with the poblacion (town center) serving as the municipal seat. The municipality features rugged terrain with coastal cliffs, rolling hills, and limited flatlands, making it both geographically distinctive and challenging to access. As an island municipality, Calayan maintains its unique cultural identity while being an integral part of the Cagayan provincial governance structure. For those seeking detailed postal and administrative information about Calayan's barangays and surrounding areas, comprehensive postal code data is available to facilitate communication and service delivery throughout the municipality.