Official base of postal codes in Pays de la Loire

DatasetDiscovered1/7blocked by verifiedQuery nowOpen workbench Subscribe🇫🇷France

This dataset provides the official postal codes for communes in the Pays de la Loire region of France, published by La Poste's National Address Service. Each entry is enriched with the INSEE name of the commune, the name of the EPCI (inter-communal grouping) to which it belongs, and mentions for newly merged municipalities. The dataset supports accurate geocoding, address validation, and administrative mapping at the regional level, linking postal codes to official commune and inter-communal identifiers used in French public administration.Official basis of the postal codes of the Pays de la Loire Region, enriched by the INSEE libelle of the commune, the Libellé of the EPCI of attachment and the CN ment for the new municipalities.

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Data schema (9 fields)

Click a field to see example values.

Field	Type	Description
Département	number	Department number where the commune is located.Department number where the commune is located.
INSEE	int	INSEE code identifying the commune.INSEE code identifying the commune.
epci	text	Name of the EPCI (intercommunal body) the commune belongs to.Name of the EPCI (intercommunal body) the commune belongs to.
Communes nouvellesCommunes nouvelles	text	Name of the new merged commune, if applicable.Name of the new merged commune, if applicable.
Nom_communeCommune name	text	Name of the commune.Name of the commune.
Code_postalPostal code	int	Postal code of the commune.Postal code of the commune.
Ligne_5Ligne 5	text	Additional address line for delivery, if needed.Additional address line for delivery, if needed.
Libellé_d_acheminementLibellé d acheminement	text	Official delivery label used for mail routing.Official delivery label used for mail routing.
coordonnees_gpsCoordonnees gps	text	GPS coordinates (latitude, longitude) of the commune.GPS coordinates (latitude, longitude) of the commune.

Schema inferred from the distribution file's first records 22 days ago. Column types are sampled estimates, not source-declared.

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Sample data (5 records)

Record 1epci: Communauté de communes de Châteaubriant- · INSEE: 44078

{
  "epci": "Communauté de communes de Châteaubriant-Derval",
  "INSEE": "44078",
  "Ligne_5": "",
  "Code_postal": "44670",
  "Nom_commune": "JUIGNE DES MOUTIERS",
  "Département": "44.0",
  "coordonnees_gps": "47.689350663, -1.212268965",
  "Communes nouvelles": "",
  "Libellé_d_acheminement": "JUIGNE DES MOUTIERS"
}

Record 2epci: Communauté Urbaine de Nantes Métropole · INSEE: 44172

{
  "epci": "Communauté Urbaine de Nantes Métropole",
  "INSEE": "44172",
  "Ligne_5": "",
  "Code_postal": "44980",
  "Nom_commune": "STE LUCE SUR LOIRE",
  "Département": "44.0",
  "coordonnees_gps": "47.253530109, -1.472778353",
  "Communes nouvelles": "",
  "Libellé_d_acheminement": "STE LUCE SUR LOIRE"
}

Record 3epci: Communauté de communes de Grand Lieu · INSEE: 44155

{
  "epci": "Communauté de communes de Grand Lieu",
  "INSEE": "44155",
  "Ligne_5": "PONT JAMES",
  "Code_postal": "44310",
  "Nom_commune": "ST COLOMBAN",
  "Département": "44.0",
  "coordonnees_gps": "47.025197223, -1.5583909980000001",
  "Communes nouvelles": "",
  "Libellé_d_acheminement": "ST COLOMBAN"
}

Record 4epci: Communauté Urbaine de Nantes Métropole · INSEE: 44009

{
  "epci": "Communauté Urbaine de Nantes Métropole",
  "INSEE": "44009",
  "Ligne_5": "",
  "Code_postal": "44115",
  "Nom_commune": "BASSE GOULAINE",
  "Département": "44.0",
  "coordonnees_gps": "47.212054775, -1.462261066",
  "Communes nouvelles": "",
  "Libellé_d_acheminement": "BASSE GOULAINE"
}

Record 5epci: Communauté d'agglomération Région Nazair · INSEE: 44210

{
  "epci": "Communauté d'agglomération Région Nazairienne et de l'Estuaire (la CARENE)",
  "INSEE": "44210",
  "Ligne_5": "",
  "Code_postal": "44570",
  "Nom_commune": "TRIGNAC",
  "Département": "44.0",
  "coordonnees_gps": "47.312189171, -2.207153198",
  "Communes nouvelles": "",
  "Libellé_d_acheminement": "TRIGNAC"
}

Live sample captured at profiling time — values may have changed upstream.

Verification Status

Using the API

Query examples

curl -sL 'https://data.paysdelaloire.fr/api/explore/v2.1/catalog/datasets/base-officielle-des-codes-postaux-en-pays-de-la-loire/exports/csv?use_labels=true' -o data.csv

Full csv file download — the schema shown was inferred from the file's first records.