Katuosoite

Katuosoite is the street address of a property or location, identifying a precise point along a street. In Finland it refers to the physical location used for delivering mail, guiding emergency services, and enabling navigation. A katuosoite is typically the line that contains the street name and the building number, and it may include additional identifiers such as a building letter, entrance, floor, or apartment number.

In Finland the common components of a katuosoite are the street name (katu), the house or building number, and optional qualifiers that specify the particular part of a building (for example a letter or stairwell). The postal code (postinumero) and the municipality or locality are usually written on the same address or on a separate line, depending on the formatting used by organizations or the postal service. Examples of a Finnish katuosoite include formats like “Esimerkkikatu 12 B, 00100 Helsinki” or “Metsäpolku 5, 00540 Helsinki,” where the first part identifies the location on the street and the second part provides postal routing information.

Katuosoitteet are essential for mail and package delivery, service provisioning, and geographic information systems. They are maintained and validated by postal and municipal authorities to ensure accurate routing and addressing. In some contexts, a property may also have a separate postiosoite (mailing address) that differs from the katuosoite, particularly for organizations with P.O. boxes or centralized mail handling. Overall, the katuosoite plays a central role in identifying where a person or entity is physically located.