Autonomous Region in Muslim Mindanao Postal Codes: 7300 to 9715

Key Facts

The Autonomous Region in Muslim Mindanao (ARMM) was a former autonomous region in the Philippines, established to provide self-governance to the country's Muslim-majority areas in Mindanao. Located in the southern portion of the Philippines, ARMM encompassed several provinces in the Mindanao island group, serving as the primary administrative entity for the Bangsamoro people. The region covered approximately 12,535 square kilometers and had a population of around 4 million people according to 2015 census data. ARMM was divided into five component provinces: Basilan, Lanao del Sur, Maguindanao, Sulu, and Tawi-Tawi, along with the independent city of Marawi. The region was established through organic acts beginning in 1989, with its creation aimed at addressing historical grievances and providing meaningful autonomy to Muslim Filipinos. ARMM's capital shifted between locations but was primarily based in Cotabato City, which served as the regional center despite being geographically outside the region's territorial boundaries. The region played a crucial role in the peace process between the Philippine government and various Muslim rebel groups. For accessing detailed postal code information and administrative data for ARMM's constituent provinces and municipalities, comprehensive regional databases are available.

Neighboring Regions

• Zamboanga Peninsula
• Northern Mindanao
• Soccsksargen
• Davao Region