Ireland Postal Codes & Zip Codes - Format, List & Examples
Ireland Postal Codes - Format, Structure & Examples by County

Access structured postal code data for Ireland, including postal codes, cities, counties, and provincial information. Designed for business, analytics, logistics, data enrichment, and location-based applications.
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Dataset Overview
PostcodeZip provides a ready-to-use database covering 23,192 streets across 4,068 cities and 139 postal codes in 26 counties and 4 provinces of Ireland.
- 23,192 streets
- 4,068 cities
- 139 postal codes
- 26 counties
- 4 provinces
What This Data Can Be Used For
- Address validation and cleanup
- Autocomplete for forms and search fields
- Location-based analytics and reporting
- Database enrichment and segmentation
- Logistics, delivery, and route planning
- Geographic applications and mapping tools
Available Files
Depending on your project, you can choose one or more of the following files:
- Regions file – administrative provinces and counties
- Locations file – cities and postal codes
- Streets file – street-level location data
Each file is available as a sample preview before purchase.
Sample Files Preview
Download a sample file or preview a few example rows before purchasing.
Regions File
| Country Code | Country | Region1 | Region2 | Region3 |
|---|---|---|---|---|
| IE | Ireland | Connacht | Sligo | Sligo |
| IE | Ireland | Connacht | Roscommon | Elphin |
| IE | Ireland | Connacht | Galway | Abbey |
Locations File
| Country Code | Country | Region | City | Postal Code |
|---|---|---|---|---|
| IE | Ireland | Leinster | Abberley | A96 |
| IE | Ireland | Connacht | Abbey Quarter | F91 |
| IE | Ireland | Leinster | Abbey View | C15 |
Streets File
| Country Code | Country | Region | City | Street |
|---|---|---|---|---|
| IE | Ireland | Leinster | Abberley | The Aspens |
| IE | Ireland | Leinster | Abberley | The Beeches |
| IE | Ireland | Leinster | Abberley | The Cedars |
Sample data for preview purposes only.
Why This Dataset Is Useful
This database makes it easier to work with real geographic data in a structured format. It can help standardize address inputs, improve form completion, match existing customer records, and support internal analysis by city, postal code, street, or county.
It is also useful for teams building applications that rely on real postal and location data, including CRMs, business directories, delivery systems, mapping tools, and reporting platforms.
Data Structure
Depending on the selected file, the dataset may include the following fields:
- Country code
- Country name
- Province
- County
- City
- Postal code
- Street
Formats and Delivery
Files are available in CSV, Excel, SQL, and XML format, depending on the selected product.
After purchase, your files are delivered in a downloadable archive and can be used immediately.
Updates and Purchase
This is a one-time purchase. The dataset is maintained regularly, and additional updates may be available on request.