Siero Postal Codes, Oviedo, Asturias, Principado de Asturias Spain

Postal codes for Siero range from 33010 to 33946 in Principado de Asturias, Asturias, Oviedo, Spain. The table below lists ZIP codes and postcodes for places within Siero.

Siero on the Map

The map above highlights the geographic boundaries of the Siero municipalities in Spain. The postal codes listed on this page correspond to specific towns, villages, and post offices within this area.

What to Know About Siero

Key Facts

Siero is a municipality located in the autonomous community of Asturias in northern Spain. Situated in the central part of the Principality of Asturias, Siero lies just northeast of the regional capital, Oviedo, forming part of the metropolitan area of the Asturian central region. With an area of approximately 211 square kilometers, Siero is one of the larger municipalities in Asturias and has a population of around 52,000 inhabitants, making it one of the most populous municipalities in the region. The municipality is divided into 28 parishes, which are the traditional administrative subdivisions in Asturias, including important population centers such as Pola de Siero (the municipal capital), Lugones, and La Fresneda. Siero's landscape features a mix of urban areas, agricultural lands, and natural spaces, with the Nora River flowing through its territory. The municipality serves as an important economic and residential hub, benefiting from its proximity to Oviedo while maintaining its own distinct identity and local governance. For those seeking postal code information for the various parishes and neighborhoods within Siero, this platform provides access to detailed postal data for all its sub-regions.

Neighboring Regions

* Oviedo

* Gijón

* Villaviciosa

* Sariego

* Nava

* Llanera

* Langreo