How many barangays are in Oas?▾
Oas has 53 barangays. You can browse the full alphabetical list on this page, with each barangay linking to its own page of officials, contact details, and address.
Where is Oas located?▾
Oas is a municipality in the province of Albay, in the Bicol Region region of the Philippines.
Is Oas a city or municipality?▾
Oas is a municipality in Albay, Philippines.
What province is Oas in?▾
Oas is located in the province of Albay, which is part of the Bicol Region region of the Philippines.
What is the population of Oas?▾
Oas had a population of 64,890 residents according to the 2024 POPCEN. The municipality contains 53 barangays.
What is the largest barangay in Oas by population?▾
The largest barangay in Oas by population is Brgy. Balogo with 3,639 residents. See the ranked list of the most populous barangays on this page.
How do I get a barangay clearance in Oas?▾
To get a barangay clearance in Oas, visit the barangay hall of your residential barangay during office hours (typically Monday to Friday, 8am to 5pm), bring a valid government ID and proof of residency, state your purpose, and pay the processing fee (typically ₱50 to ₱100). Most barangays issue the clearance on the same day. See our complete guide to getting a barangay clearance in the Philippines for detailed step-by-step instructions.
When are the next barangay elections in the Philippines?▾
The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, per COMELEC Resolution No. 11191. All barangay officials across Oas's 53 barangays — including the Punong Barangay, Kagawads, and SK officials — will be elected. Under Republic Act 12232, officials elected will serve a four-year term.
What is the ZIP code of Oas?▾
The ZIP code for Oas is 4505. This Philippine postal code is used for mail delivery across all 53 barangays in the municipality.
What is the income classification of Oas?▾
Oas is classified as a 1st municipality. Income classifications for Philippine local government units are based on the average annual regular income over a rolling period and determine fiscal capacity and administrative structure.
When was this page last updated?▾
The information on this page for Oas was last updated on 2026-05-25. The list of barangays, population figures, and administrative classifications can change over time — always verify directly with the local government unit before relying on this information for official transactions.
