Postal Code Finder
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Ireland postal code prefixes

Browse Ireland by postal code prefix. This index groups 139 postal identifiers into crawlable ranges with sample localities.

Verified data profile for Ireland postal code prefixes

Based on 139 records, 139 postal code values and 139 mapped localities. Coordinate coverage is 100.0%.

139
Records
139
Postal identifiers
100.0%
Geocoded
A41
Example code
Postal code Locality Administrative path Coordinates
A41 Ballyboughal Leinster 53.5195, -6.2667
A42 Garristown Leinster 53.5661, -6.3856
A45 Oldtown Leinster 53.5253, -6.3156
A63 Greystones Leinster 53.1408, -6.0631
A67 Wicklow Leinster 52.975, -6.0494
A75 Castleblayney Ulster 54.1167, -6.7333

Related postal lookups

Arklow
popular_lookup · 1 records
Ashbourne
popular_lookup · 1 records
Athenry
popular_lookup · 1 records
Athlone
popular_lookup · 1 records
Prefix D0
code_prefix · 9 records
Prefix D1
code_prefix · 9 records
Prefix A8
code_prefix · 6 records
Prefix A9
code_prefix · 5 records

Postal data context

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

Records
139
Database rows represented by this canonical route.
Postal identifiers
139
Distinct postal code values in this route.
Localities
139
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Detected format
Alphanumeric, 3-3 characters
The detected records use alphanumeric postal codes without a required space separator.
Example
A41
Sample code from Ballyboughal.
Code Place Hierarchy
A41 Ballyboughal Leinster
A42 Garristown Leinster
A45 Oldtown Leinster
A63 Greystones Leinster
A67 Wicklow Leinster

Useful related pages

Arklow
popular_lookup · 1 records
Ashbourne
popular_lookup · 1 records
Athenry
popular_lookup · 1 records
Athlone
popular_lookup · 1 records
Prefix D0
code_prefix · 9 records
Prefix D1
code_prefix · 9 records
Prefix A8
code_prefix · 6 records
Prefix A9
code_prefix · 5 records

Data questions

What is the Ireland 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

D0
9 codes across 9 localities.
Example: D01 in Dublin 1
D1
9 codes across 9 localities.
Example: D10 in Dublin 10
A8
6 codes across 6 localities.
Example: A81 in Ashbourne
A9
5 codes across 5 localities.
Example: A91 in Blackrock

Format and coverage

FormatAlphanumeric, 3-3 characters
ExampleA41
Local termspostal code, postcode, ZIP code