Xã
Code 04087
In force from 1 July 2025
Xã Yên Sơn, Tỉnh Sơn La
Updated 06/10/2026 · Sources: 1681/NQ-UBTVQH15
Quick summary
Xã Yên Sơn was established on 1 July 2025 from Xã Chiềng On and Xã Yên Sơn (Huyện Yên Châu). Write the new address as: [house number, street], Xã Yên Sơn, Tỉnh Sơn La.
- New code
- 04087
- Province
- Tỉnh Sơn La
- Area
- 116.62 km²
- Population
- 12,614 people
- People's Committee office
- Bản Chiềng Hưng, xã Yên Sơn, tỉnh Sơn La
- Former district
- Huyện Yên Châu
- Telephone area code
- 0212
- Vehicle plate code
- 26
Formed from former units
| Former unit | Former code | Former district | Scope |
|---|---|---|---|
| Xã Chiềng On | 04084 | Huyện Yên Châu, Tỉnh Sơn La | Whole |
| Xã Yên Sơn | 04087 | Huyện Yên Châu, Tỉnh Sơn La | Whole |
Boundary map
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Frequently asked questions
Which former units formed Xã Yên Sơn?
Xã Yên Sơn was formed from Xã Chiềng On (Huyện Yên Châu) and Xã Yên Sơn (Huyện Yên Châu).
How is an address in Xã Yên Sơn written after 1 July 2025?
Write: house number, street, Xã Yên Sơn, Tỉnh Sơn La. No district.
What is the administrative code of Xã Yên Sơn?
The code of Xã Yên Sơn is 04087 (Statistics Office list).
Where is the People's Committee of Xã Yên Sơn?
The People's Committee of Xã Yên Sơn is at Bản Chiềng Hưng, xã Yên Sơn, tỉnh Sơn La.
What are the telephone area code and vehicle plate code of Xã Yên Sơn?
Landlines in Xã Yên Sơn use the area code 0212. Vehicles registered in Tỉnh Sơn La carry the plate code 26 (Circular 51/2025/TT-BCA).