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Altzo Postal Codes: 20268 | Tolosaldea, Guipúzcoa, País Vasco

The Postal Codes (Códigos postales) for Altzo is 20268 in Tolosaldea, Guipúzcoa, País Vasco, Tolosaldea, Spain. The table below lists Postal Codes and postcodes for places within Altzo.

Postal Codes for Places in Altzo

Showing 6 places in Altzo. Last verified with official records on May 2, 2026.

Alegia
Altzo
Altzo Behea
Arterrekako Harrobia/Cantera de Arterreka
Brazondo-Berri
Izkinetxea Baserria/Caserío Izkinetxea

Sample Address Format for Altzo

Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
Street Address / PO Box
Altzo, Tolosaldea, Guipúzcoa, País Vasco, 20268
SPAIN

Altzo on the Map

The map above highlights the geographic boundaries of the Altzo municipalities in Spain.

Altzo Quick Facts

CountrySpain (ES)
Administrative PathSpain → País Vasco → Guipúzcoa → Tolosaldea
Postal Code20268
Autonomous CommunityPaís Vasco
ProvincesGuipúzcoa
RegionsTolosaldea
ISO CodesES / ESP / 724
Top-level domain (ccTLD).es
Coordinates43.0936, -2.06791
Places6

What to Know About Altzo

Key Facts

Altzo is a municipality located within the Tolosaldea comarca (district) in the province of Guipúzcoa, part of the autonomous community of the Basque Country (País Vasco) in northern Spain. Situated in the interior of Guipúzcoa, Altzo lies within the valley of the Oria River, approximately 30 kilometers south of the provincial capital, San Sebastián. The municipality covers an area of roughly 9.8 square kilometers and, according to recent estimates, has a population of around 400 inhabitants, making it one of the smaller municipalities in the region. Altzo is administratively a single municipality and does not contain further official sub-divisions. The area is characterized by its rural landscape, with traditional Basque farmhouses (baserriak) dotting the rolling hills, and its economy has historically been based on agriculture and livestock. The municipality is perhaps most famously associated with the 'Gigante de Altzo' (Giant of Altzo), Miguel Joaquín Eleicegui, a historical figure known for his extraordinary height in the 19th century. To access detailed postal code information for addresses within this municipality, you can navigate through the regional hierarchy starting from Spain.

Neighboring Regions

  • Amezketa
  • Abaltzisketa
  • Baliarrain
  • Orendain
  • Legorreta

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