Registry / Spain / Postal code prefixes / 20 /

Spain postal codes starting with 20

Prefix 20 contains 110 codigo postal records across 305 mapped localities in Spain.

Verified data profile for Spain prefix 20

Based on 330 records, 110 codigo postal values and 305 mapped localities. Coordinate coverage is 100.0%.

330

Records

110

Postal identifiers

100.0%

Geocoded

20001

Example code

Postal code	Locality	Administrative path	Coordinates
20001	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20002	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20003	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20004	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20005	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20006	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975

Prefix coverage and examples

Use this page to understand country coverage, postal code formats, prefixes and the most useful child pages for lookup or download. The canonical route for this record set is /postal-codes/spain/codes/20.

How to use this lookup

Use the sample rows to verify what the prefix actually covers.
Compare neighboring prefixes when a city or district spans multiple ranges.
Download the country dataset when you need every code in the prefix.

Records

330

Database rows represented by this canonical route.

Postal identifiers

110

Distinct postal code values in this route.

Localities

305

Mapped place names or administrative entries.

Coordinate coverage

100.0%

Rows with latitude and longitude available.

Detected format

5 digits (NNNNN)

Spanish postal codes use five digits; the first two identify the province.

Example

20001

Sample code from Donostia-San Sebastian.

Prefix use

range lookup

Use this range when you know the first digits or letters but need matching localities.

Code	Place	Hierarchy	Coordinates
20001	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20002	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20003	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20004	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20005	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975

Download postal data

CSV, JSON and XLSX exports for research, validation and data products.

Use the API

Query postal codes by country, place name, region or code prefix.

Implementation notes

Field definitions, canonical paths and practical lookup guidance.

Useful related pages

Spain

Country · 37,867 records

All prefixes

Postal code prefixes · 11,150 records

Prefix 26

Postal code range · 133 records

Prefix 02

Postal code range · 131 records

Prefix 13

Postal code range · 131 records

Prefix 11

Postal code range · 125 records

Prefix 21

Postal code range · 105 records

Prefix 42

Postal code range · 103 records

Prefix 01

Postal code range · 80 records

Prefix 52

Postal code range · 9 records

Data questions

What does this codigo postal prefix cover?

This page lists representative records, localities and nearby ranges for the Spain prefix 20 prefix in Spain.

Is the complete prefix dataset shown here?

The HTML page shows a bounded sample from 110 matching identifiers and points to the country export for complete coverage.

How should I use a prefix page?

Use it to narrow a lookup when you know the first characters of the code, then confirm locality, region and coordinates.

Related prefix ranges in Spain

Compare this range with other active codigo postal prefixes from the same country-level directory.

133 codes across 264 localities.

131 codes across 260 localities.

131 codes across 173 localities.

125 codes across 236 localities.

105 codes across 149 localities.

103 codes across 517 localities.

80 codes across 533 localities.

9 codes across 1 localities.

Representative postal code examples

This page keeps a bounded sample for fast crawling and links each code to its canonical lookup page. Use the country export when you need the full prefix dataset.

Postal code	Locality	Region	Coordinates
20001	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20002	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20003	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20004	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20005	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20006	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20007	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20008	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20008	Igeldo	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3098, -2.0364
20009	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20010	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20011	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20012	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20013	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20014	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20015	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20016	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20017	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20018	Añorga	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.2852, -2.0008
20018	Donostia-San Sebastian	Pais Vasco / Guipúzcoa / Donostia / San Sebastián	43.3128, -1.975
20070	Donostia-San Sebastian	Pais Vasco / Guipúzcoa	43.3128, -1.975
20071	Donostia-San Sebastian	Pais Vasco / Guipúzcoa	43.3128, -1.975
20080	Donostia-San Sebastian	Pais Vasco / Guipúzcoa	43.3128, -1.975
20100	Errenteria	Pais Vasco / Guipúzcoa / Lezo	43.3119, -1.9013
20100	Landarbaso	Pais Vasco / Guipúzcoa / Lezo	43.2582, -1.9067
20100	Lezo	Pais Vasco / Guipúzcoa / Lezo	43.3216, -1.8975
20110	Pasai Antxo	Pais Vasco / Guipúzcoa / Pasaia	43.3162, -1.9179
20110	Pasai Donibane	Pais Vasco / Guipúzcoa / Pasaia	43.3218, -1.9188
20110	Pasai San Pedro	Pais Vasco / Guipúzcoa / Pasaia	43.3256, -1.9267
20110	Pasaia	Pais Vasco / Guipúzcoa / Pasaia	43.3219, -1.9214
20115	Astigarraga	Pais Vasco / Guipúzcoa / Astigarraga	43.2825, -1.9467
20120	Akerregi	Pais Vasco / Guipúzcoa / Hernani	43.2694, -1.9545
20120	Eziago	Pais Vasco / Guipúzcoa / Hernani	43.2607, -1.9549
20120	Hernani	Pais Vasco / Guipúzcoa / Hernani	43.2672, -1.9764
20120	Jauregi	Pais Vasco / Guipúzcoa / Hernani	43.2747, -1.9955
20120	Martindegi	Pais Vasco / Guipúzcoa / Hernani	43.2668, -1.9536
20120	Osinaga	Pais Vasco / Guipúzcoa / Hernani	43.2467, -1.9622
20120	Santa Barbara	Pais Vasco / Guipúzcoa / Hernani	43.2642, -1.9905
20120	Zikuñaga	Pais Vasco / Guipúzcoa / Hernani	43.2631, -1.968
20128	Epela	Pais Vasco / Guipúzcoa / Hernani	43.2531, -1.9457
20128	Ereñotzu	Pais Vasco / Guipúzcoa / Hernani	43.242, -1.9392
20128	Pagoaga	Pais Vasco / Guipúzcoa / Hernani	43.2194, -1.9197
20130	Urnieta	Pais Vasco / Guipúzcoa / Urnieta	43.2473, -1.9917
20140	Andoain	Pais Vasco / Guipúzcoa / Andoain	43.2172, -2.0221
20140	Buruntza	Pais Vasco / Guipúzcoa / Andoain	43.234, -2.0152
20140	Goiburu	Pais Vasco / Guipúzcoa / Andoain	43.2037, -2.0244
20140	Leizotz	Pais Vasco / Guipúzcoa / Andoain	43.2089, -1.9914
20140	Sorabilla	Pais Vasco / Guipúzcoa / Andoain	43.2116, -2.0347
20150	Aduna	Pais Vasco / Guipúzcoa / Aduna	43.2041, -2.0504
20150	Amasa	Pais Vasco / Guipúzcoa / Aduna	43.1836, -2.047
20150	Elbarrena	Pais Vasco / Guipúzcoa / Aduna	43.1927, -2.0601
20150	Villabona	Pais Vasco / Guipúzcoa / Aduna	43.1865, -2.0529
20159	Asteasu	Pais Vasco / Guipúzcoa / Zizurkil	43.1932, -2.0966
20159	Beballara	Pais Vasco / Guipúzcoa / Zizurkil	43.1864, -2.0873
20159	Elizmendi	Pais Vasco / Guipúzcoa / Zizurkil	43.1973, -2.0957
20159	Errekaballara	Pais Vasco / Guipúzcoa / Zizurkil	43.1961, -2.1148
20159	Goiballara	Pais Vasco / Guipúzcoa / Zizurkil	43.1744, -2.0772
20159	Larraul	Pais Vasco / Guipúzcoa / Zizurkil	43.1878, -2.1026
20159	Upazan	Pais Vasco / Guipúzcoa / Zizurkil	43.2103, -2.0971
20159	Zizurkil (Pueblo)	Pais Vasco / Guipúzcoa / Zizurkil	43.1923, -2.096

Showing 60 representative records from 110 matching codes to keep the page fast and crawlable. Download the Spain dataset for complete coverage.