Postcode 78840
Location: Ile De France → Yvelines → Mantes La Jolie
2 location(s) using this postal code in France
About Postcode 78840
This postal code is assigned to Mantes La Jolie Arrondissement Department Yvelines, Ile De France, France. This location-level postal code helps ensure accurate mail delivery and location identification.
Postal Code Format
France uses numeric postal codes with 5 digits (example: 01400). In our directory, these codes are organized from regions down to arrondissements.
- 78 — Region (Ile De France)
- 84 — Department (Yvelines)
- 0 — Arrondissement (Mantes La Jolie)
How to Use This Postcode 78840
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
Mantes La Jolie
Yvelines, Ile De France
78840
France
Domestic Mail
Include this postcode on all letters and packages sent within France.
International Mail
For international deliveries, include "France" on the last address line after the postcode.
Frequently Asked Questions
What area does this postcode cover?
This postcode covers Ile De France → Yvelines → Mantes La Jolie in France.
Is this a valid List Post Code?
Yes. 78840 is an active postcode for Ile De France → Yvelines → Mantes La Jolie in France. It follows the 5-character format used in this country.
How do I find the postal code for a specific address?
Search by region, department, and arrondissement to find the correct postcode in France. Search Postcodes
Found incorrect info for 78840?
Useful Resources
Developer API
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Free JSON for postcode 78840.
https://api.listpostcode.com/v1/countries/FR/postcodes/78840curl -H "x-api-key: YOUR_API_KEY" \
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