Quirino Postal Codes: 3400 to 3405 | Cagayan Valley

Key Facts

Quirino is a province located in the northeastern part of the Cagayan Valley region in the Philippines. Situated in the heart of Luzon island, this landlocked province occupies a strategic position between the Sierra Madre and Caraballo mountain ranges. With a land area of approximately 3,057 square kilometers, Quirino is characterized by its rugged terrain, river systems, and forested landscapes that support diverse flora and fauna. According to recent census data, the province has a population of around 188,000 people distributed across its six municipalities: Aglipay, Cabarroguis (the provincial capital), Diffun, Maddela, Nagtipunan, and Saguday. The province was named after Elpidio Quirino, the sixth President of the Philippines, and was officially created in 1966, making it one of the newer provinces in the country. Quirino's economy is primarily agricultural, with rice, corn, and banana cultivation being major activities, supplemented by forestry and small-scale mining operations. The province is also known for its natural attractions, including the Governor Rapids and various waterfalls that draw adventure-seeking tourists. For those seeking detailed location information, comprehensive postal code data is available for all of Quirino's municipalities and their constituent barangays.

Neighboring Regions

• Nueva Vizcaya
• Isabela
• Aurora