Postal Code Finder
Geographic Directory / Guernsey

Guernsey Address Code Directory

Access a structured directory of 14 geocoded location entries. Navigate the complete hierarchy of Guernsey divisions to obtain routing identifiers and geographic coordinates.

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Navigate & Browse Geographic Distributions

How to use: Click on any marker to explore the detailed registry for that specific region. Data points represent geometric centroids of local areas.

Understanding address formats in Guernsey

Format Numeric / Alphanumeric
Example Varies by region
Logic Consult official local guidelines for specific district formatting.

Our dataset mapping is based on current coverage and periodic updates from geocoded repositories. Routing boundaries represent spatial centroids for territorial sectors.

Primary Regional Divisions

Explore the top-level territorial jurisdictions of Guernsey. Each region manages a collection of provinces and local districts with unique routing identifiers.

Guernsey Channel Islands Channel Islands View all regions →

High-Density Hubs

Explore Regional Subdivisions

* A place (record) represents a unique combination of territorial name and geocoded coordinates.

Data Exports

Bulk geodata for Guernsey including territorial centroids and routing identifiers.

Contents: ISO-3166-2, Admin Levels 1-3, Routing identifiers, Decimal Lat/Lng.

License + Attribution

Country datasets are provided under ODbL 1.0. If you redistribute datasets or publish derivatives, include attribution and follow share-alike requirements.

Contains data from PostalCodes.info (postalcodes.info), provided under the Open Database License (ODbL) 1.0.

Coordinates represent approximate administrative centroids. Details: /licensing and /data-sources.

Dataset version: 2026.3 · Updated: 2026-03-10

API Access

Use bulk downloads for integration, or the lightweight JSON search endpoint for interactive lookups.

GET https://postalcodes.info/search?q={query}&country=gg
Explore Documentation →

Geographic Data Questions

What are address codes in this territory?

Address codes are standardized routing identifiers used by postal operators and logistics systems. They map deliveries to specific districts and administrative boundaries.

How can I find a code by city or region?

Search by city, town, or administrative region in our lookup tool to retrieve official entries with geocoded coordinates and hierarchy context.

Why do some cities have multiple codes?

Large urban centers are often partitioned into multiple routing districts to manage high delivery volumes and improve granularity.

Are these codes valid for shipping and forms?

Yes. Registry entries are derived from institutional datasets and are suitable for shipping workflows, e-commerce forms, and address verification.

Can these codes change over time?

Yes. Codes may be updated due to urban growth, rezoning, or operator-level optimizations. Our archive is refreshed regularly to reflect these changes.

Can I download code data for this territory?

Yes. Structured datasets are available in CSV, Excel (XLSX), and JSON with geocoded centroids and administrative names.

Methodology and Practical Use

This reference layer currently exposes 2 primary subdivisions and 14 geocoded place rows for implementation work. Typical examples visible in this page include Guernsey Channel Islands, Channel Islands. Coordinates represent approximate centroids, not parcel boundaries, rooftop points, or legal cadastral limits. Naming conventions can vary across statistical bureaus, municipal gazettes, transport agencies, and civil registries, so spelling differences may describe equivalent places.

For production systems, pair this catalog with domain-specific business rules such as service eligibility, tax jurisdictions, dispatch constraints, and compliance filters. The current formatting profile (Numeric / Alphanumeric, for example Varies by region) is useful as a baseline for validators, parsers, and ingestion pipelines that require deterministic normalization and reproducible joins. Common lookup anchors in this territory include Vale, Alderney, Castel, Delancey, Forest, which helps QA teams test joins and edge-case matching against real place names.

Regional coverage fingerprint: Guernsey Channel Islands | Channel Islands.