Postal code 78340 - LES CLAYES SOUS BOIS

Postal codeCityStreetDepartment
78340LES CLAYES SOUS BOISYVELINES

Addresses with postal code 78340

Postal code 78340 belongs to LES CLAYES SOUS BOIS, YVELINES department, France, and covers 1 addresses listed above. The first two digits identify the department.

See all postal codes of LES CLAYES SOUS BOIS

Neighbouring postal codes

  • 78330 – FONTENAY LE FLEURY
  • 78350 – JOUY EN JOSAS

Data last updated: 2026-10.