Spain Postcode
Level: location

Postcode 20003

Location: Pais Vasco → Donostia San Sebastian

1 location(s) using this postal code in Pais Vasco, Spain

20
Autonomous communityPais Vasco

About Postcode 20003

This postal code is assigned to Donostia San Sebastian Municipality , Pais Vasco, Spain. This location-level postal code helps ensure accurate mail delivery and location identification.

Postal Code Format

Spain uses numeric postal codes with 5 digits (example: 28001). In our directory, these codes are organized from autonomous communities down to provinces.

How to Use This Postcode 20003

When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.

Address format example:

Recipient Name

House #, Street Name

Donostia San Sebastian

Pais Vasco

20003

Spain

Domestic Mail

Include this postcode on all letters and packages sent within Spain.

International Mail

For international deliveries, include "Spain" on the last address line after the postcode.

Frequently Asked Questions

What area does this postcode cover?

This postcode covers Pais Vasco → Donostia San Sebastian in Spain.

Is this a valid List Post Code?

Yes. 20003 is an active postcode for Pais Vasco → Donostia San Sebastian in Spain. It follows the 5-character format used in this country.

How do I find the postal code for a specific address?

Search by autonomous community, province, and municipality to find the correct postcode in Spain. Search Postcodes

Found incorrect info for 20003?

Developer API

Get this data via API

Free JSON for postcode 20003.

GEThttps://api.listpostcode.com/v1/countries/ES/postcodes/20003
curl -H "x-api-key: YOUR_API_KEY" \
  "https://api.listpostcode.com/v1/countries/ES/postcodes/20003"

Requests need a free API key.