Postal Code Finder
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Guernsey postal code prefixes

Browse Guernsey by postal code prefix. This index groups 10 postal identifiers into crawlable ranges with sample localities.

Verified data profile for Guernsey postal code prefixes

Based on 14 records, 10 postal code values and 13 mapped localities. Coordinate coverage is 100.0%.

14
Records
10
Postal identifiers
100.0%
Geocoded
GY1
Example code
Postal code Locality Administrative path Coordinates
GY1 St Peter Port Guernsey Channel Islands 49.45, -2.6
GY10 Sark Channel Islands 49.71, -2.2
GY2 Delancey Guernsey Channel Islands 49.45, -2.6
GY2 St Sampsons Guernsey Channel Islands 49.45, -2.6
GY3 Vale Guernsey Channel Islands 49.45, -2.6
GY4 St Martin Guernsey Channel Islands 49.45, -2.6

Related postal lookups

Vale
popular_lookup · 2 records
Alderney
popular_lookup · 1 records
Castel
popular_lookup · 1 records
Delancey
popular_lookup · 1 records
Prefix GY
code_prefix · 10 records

Postal data context

This page is backed by structured postal records, canonical hierarchy links and representative examples from the current database.

Records
14
Database rows represented by this canonical route.
Postal identifiers
10
Distinct postal code values in this route.
Localities
13
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Detected format
Alphanumeric, 3-4 characters
The detected records use alphanumeric postal codes without a required space separator.
Example
GY1
Sample code from St Peter Port.
Code Place Hierarchy
GY1 St Peter Port Guernsey Channel Islands
GY10 Sark Channel Islands
GY2 Delancey Guernsey Channel Islands
GY2 St Sampsons Guernsey Channel Islands
GY3 Vale Guernsey Channel Islands

Useful related pages

Vale
popular_lookup · 2 records
Alderney
popular_lookup · 1 records
Castel
popular_lookup · 1 records
Delancey
popular_lookup · 1 records
Prefix GY
code_prefix · 10 records

Data questions

What is the Guernsey prefix index for?

It groups postal identifiers into crawlable code ranges with sample localities and links to prefix pages.

When should I use a prefix page?

Use a prefix page when you know the first digits or letters and need matching places with coordinates.

Prefix directory

GY
10 codes across 13 localities.
Example: GY1 in Alderney

Format and coverage

FormatAlphanumeric, 3-4 characters
ExampleGY1
Local termspostal code, postcode, ZIP code