Under Republic Act 12232, elected barangay officials serve a four-year term. Make sure you are registered and know your polling place before election day.
Primary PHLPost ZIP for Siasi. In NCR and some large cities, barangays can have different ZIPs. Confirm with PHLPost.
Punong Barangay
Ranisa Tan Anni(2023 - 2026 term)
Next BSKE
November 2, 2026
Barangay Buan · Data updated 2026-05-26
About Barangay Buan
Classified as a mid-sized barangay, Barangay Buan is one of the administrative divisions of Siasi in Sulu, BARMM, Philippines.
According to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority, Barangay Buan had a population of 2,807. This made it the 11th largest of 50 barangays in Siasi by population, placing it in the upper half of the municipality. Residents of Barangay Buan accounted for approximately 2.80% of the total population of Siasi, which stood at 100,076 in the same 2024 POPCEN reference period.
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Barangay Buan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.
Siasi is a municipality comprising 50 barangays, and serves as the governing unit directly responsible for local services in Barangay Buan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Sulu, which contains 410 barangays across its component cities and municipalities, Barangay Buan ranks 95th by 2024 POPCEN population.
Like every Philippine barangay, Barangay Buan is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.
Compiled from official Philippine Statistics Authority census data and Philippine Standard Geographic Code records. Reviewed and published by the Barangay Directory editorial team. See our methodology for sources, verification process, and update cadence.
Important: Officials shown here reflect the 2023 - 2026 term. Barangay leadership can change due to resignation, succession, or special circumstances. Always verify directly with Siasi or the barangay hall before relying on this information for any official transaction, legal matter, or formal communication. The next Barangay and SK Elections are scheduled for Monday, November 2, 2026.
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Lower density, predominantly non-built-up land use.
Income Classification
1st
BLGF highest fiscal capacity tier.
Rankings derived from the most recent PSA population data for each barangay. Classifications sourced from the Philippine Statistics Authority and Bureau of Local Government Finance.
These services are available at every barangay hall in the Philippines under Republic Act 7160 (Local Government Code). Visit Barangay Buan in Siasi during office hours to request any of the following.
Services listed are based on Republic Act 7160 (Local Government Code of 1991). Specific requirements and fees vary by barangay. Always call the hall before visiting to confirm requirements and availability.
🆘Emergency Hotlines
Verified April 2026. In a life-threatening emergency, dial 911 first.
Notice a hotline change? Report it so we can update this page.
Frequently Asked Questions about Barangay Buan
Where is Barangay Buan located?▾
Barangay Buan is a barangay in the municipality of Siasi, Sulu, BARMM, Philippines.
What is the address of the Barangay Buan hall?▾
Barangay Buan is located in Siasi, Sulu, BARMM, Philippines. The exact street address of the barangay hall is being verified.
Who is the Punong Barangay of Barangay Buan?▾
The Punong Barangay of Barangay Buan is Ranisa Tan Anni (2023 - 2026 term). The next Barangay and Sangguniang Kabataan Elections are scheduled for Monday, November 2, 2026.
How can I contact Barangay Buan?▾
You can contact Barangay Buan via phone at 09263907083.
What municipality is Barangay Buan part of?▾
Barangay Buan is one of 50 barangays in the municipality of Siasi, Sulu, Philippines.
Is Barangay Buan urban or rural?▾
Barangay Buan is officially classified as rural by the Philippine Statistics Authority. Rural classification is applied to barangays with lower population density and predominantly non-built-up land use — often agricultural, coastal, or upland areas with more dispersed housing.
What region of the Philippines is Barangay Buan in?▾
Barangay Buan is part of the BARMM administrative region of the Philippines. Within BARMM, the barangay falls under the province of Sulu, and is one of 50 barangays administered by Siasi.
How many barangays are in Siasi?▾
Siasi has 50 barangays, including Barangay Buan. You can browse the full list on our Siasi page.
How many residents does Barangay Buan have?▾
Barangay Buan had a population of 2,807 residents according to the 2024 POPCEN (Census of Population) published by the Philippine Statistics Authority.
What is the ZIP code of Barangay Buan?▾
The primary PHLPost ZIP code for Siasi is 7412. In most Philippine municipalities, this same ZIP applies to every barangay in the city. However, in NCR cities (Manila, Quezon City, Makati, etc.) and a few large cities like Cebu City, Davao City, and Baguio, each barangay may have its own ZIP code. For the most accurate ZIP for Barangay Buan, confirm with PHLPost at https://phlpost.gov.ph.
When was this page last updated?▾
The information on this page for Barangay Buan was last updated on 2026-05-26. Barangay leadership, contact information, and hours can change — always verify directly with the barangay hall before relying on this information for any official transaction.
Looking for general barangay-services questions — barangay clearance, cedula, BSKE 2026, or emergency hotlines? See our barangay services guides.
Editorial process and update cadence documented in our methodology. Errors or corrections welcome via the submission form above. This page was last updated on 2026-05-26.
