Postal Code Finder
Registry / France / Île-de-France / Yvelines / Rambouillet / Montfort-l'Amaury

Montfort-l'Amaury postal code 78490

Verified postal identifier in Yvelines, France. Technical profile with precision geocoding and administrative hierarchy.

Verified data profile for Montfort-l'Amaury

Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.

1
Records
1
Postal identifiers
100.0%
Geocoded
78490
Example code
Postal code Locality Administrative path Coordinates
78490 Montfort-l'Amaury Île-de-France / Yvelines / Rambouillet 48.7728, 1.8131

Related postal lookups

France
country
Prefix 78
code_prefix · 439 records
78471 CEDEX
nearby_postal_code · 1 records
78472 CEDEX
nearby_postal_code · 1 records
78479 CEDEX
nearby_postal_code · 1 records
78480
nearby_postal_code · 1 records
78500
nearby_postal_code · 1 records
78501 CEDEX
nearby_postal_code · 1 records

Local postal record details

Use this page to validate one postal code or locality against real parent areas, nearby records and downloadable source rows. The canonical route for this record set is /postal-codes/france/ile-de-france/yvelines/rambouillet/montfort-l-amaury.

Records
1
Database rows represented by this canonical route.
Postal identifiers
1
Distinct postal code values available for this page.
Localities
1
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Example
78490
Sample code from Montfort-l'Amaury.
Code Place Hierarchy Coordinates
78490 Montfort-l'Amaury Île-de-France / Yvelines / Rambouillet 48.7728, 1.8131
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

France
country
Prefix 78
code_prefix · 439 records
78471 CEDEX
nearby_postal_code · 1 records
78472 CEDEX
nearby_postal_code · 1 records
78479 CEDEX
nearby_postal_code · 1 records
78480
nearby_postal_code · 1 records
78500
nearby_postal_code · 1 records
78501 CEDEX
nearby_postal_code · 1 records

Data questions

How should I validate 78490?

Validate the postal identifier together with country, locality and administrative hierarchy fields, not as a standalone global pattern.

What context is available for this record?

The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.

Validation and related lookup paths

Use this page to confirm that 78490 belongs to Montfort-l'Amaury inside France. For applications, validate the original postal code string together with the country and administrative hierarchy instead of relying on a global numeric pattern.

France country lookup
Open top regions, formats and downloads.
Prefix 78
Compare nearby postal identifiers.
Île-de-France
Parent administrative area.
Yvelines
Parent administrative area.

Verified Technical Data

Postal Identifier 78490
Locality Name Montfort-l'Amaury
Administrative L1 Île-de-France
Administrative L2 Yvelines
Hub / Municipality Rambouillet
Spatial Coordinates LAT: 48.7728
LNG: 1.8131

Spatial Verification Map

Centroid Location: The marker represents the verified geographic centroid for the 78490 identifier area.

Geographic & Administrative Context

The postal identifier 78490 is under the regional jurisdiction of France. Within this territory, it is specifically managed as part of the Île-de-France » Yvelines » Rambouillet » Montfort-l'Amaury administrative chain, ensuring precise logistical and geographic synchronization with official geocoded registries.

Nearby postal code lookups

Compare 78490 with adjacent identifiers in France. These links keep the local code range connected without loading a large directory table.

78471 CEDEX
Saint-Rémy-lès-Chevreuse
78472 CEDEX
Saint-Rémy-lès-Chevreuse
78479 CEDEX
Saint-Rémy-lès-Chevreuse
78480
Verneuil-sur-Seine
78500
Sartrouville
78501 CEDEX
Sartrouville
78502 CEDEX
Sartrouville
78503 CEDEX
Sartrouville

Frequently Asked Questions: Montfort-l'Amaury postal code guide

What is the postal structure for Montfort-l'Amaury?

Montfort-l'Amaury is represented in the France postal registry with verified coordinates and administrative hierarchy fields.

Can I download postal code data for Montfort-l'Amaury?

Yes. The dataset for Montfort-l'Amaury can be exported in CSV, Excel and JSON formats from the download section on this page.

Is this postal code geocoded?

Yes. The record includes latitude and longitude coordinates and verified administrative labels for mapping and validation.

How should I validate 78490?

Validate the postal identifier together with country, locality and administrative hierarchy fields, not as a standalone global pattern.

What context is available for this record?

The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.