Quick Account Setup on Ideal Postcodes

Step by Step Guide on Creating an Ideal Postcodes Account, Creating a Key and Enabling Automated Top-ups

Read More

Address Autocomplete

Address autocomplete is a form function that helps users input addresses more accurately by providing real-time, valid address suggestions as they type.

Read More

Address Cleanse

Understanding Address Cleanse

Read More

Address Database

Extract UK Address Lists to Power Your Database and Bolster Your Marketing Strategies

Read More

Implementing Address Validation Solutions

A Developer's Guide for Seamless Integration

Read More

Enterprise Address Validation Solutions

Streamlining Operations and Data Management

Read More

Address Validation Solutions for SMEs

Boosting Efficiency and Customer Satisfaction

Read More

Address Validation

What Is Address Validation and How Does It Work?

Read More

Address Verification System or Address Validation?

Address Verification System and Address Validation sound alike, but they are tools which have different uses

Read More

PAF Alias Data

What is alias in a delivery address?

Read More

Eircode Products

The Eircode Address File (ECAF) and Eircode Address Database (ECAD)

Read More

What is an Eircode

Eircode is a postcode system used in Ireland to identify properties and improve mail delivery. It consists of a seven-character code. Find out more.

Read More

What is Email Validation

Understanding the importance of email validation for accurate communication and data management

Read More

End User - Who Is Licensed to Use the Data?

Identifying the Final User of Royal Mail's Dataset

Read More

Fuzzy Address Search

How you can reduce address entry errors and improve search results in real time

Read More

What is Gaeltrecht

The significance of Gaeltrecht and preserving the Irish language - Gaelic

Read More

What is Rooftop Geocoding?

Understanding the Importance of Address Geocoding and Use Cases

Read More

Glossary

A Glossary of Address Terms

Read More

UK Address Guidelines

Ensure your mail is correctly addressed with our UK clear addressing guidelines

Read More

Internal User Licensing

What Is an Internal User? When Is It Correct to License This Way?

Read More

MicroMkt Address Validation

Add Address Validation to Your MicroMkt Suite in a Few Simple Steps

Read More

Missing Address

Why Your Address Might Not Be Showing on Royal Mail's Postcode Address File. We list the top reasons why this might happen and what you can do about it.

Read More

Address Validation for Mobile Devices

How to improve your mobile conversions

Read More

Multiple Residence

What is the Multiple Residence dataset? Multiple residences in the UK are sub-premises situated within multiple occupancy buildings. Learn more on our guide.

Read More

NACE Codes

Nomenclature of Economic Activities - The Four Digit Classification Code

Read More

Non-Unique Addresses

What is a non-unique address

Read More

Not Yet Built Dataset

The Not Yet Built Dataset Is an Additional Database from Royal Mail That Lists Properties Currently in Planning or under Construction

Read More

Office for National Statistics Postcode Directory (ONSPD) Licensing

ONSPD Licensing: How Data from Postcodes.io Can Be Used

Read More

Allowed Characters in PAF

List of Characters Found in the Postcode Address File

Read More

What is Phone Validation

Maximising Efficiency and Accuracy with Phone Number Validation

Read More

Postcode Areas

A complete list of UK postcode areas and regions

Read More

Postcode Data List Directory

Links to Downloads of Various UK Postcode Data Lists

Read More

Postcode Facts

Interesting Facts and Information About Postcodes

Read More

Postcode Lookup or Address Finder

How to Choose Between Postcode Lookup and Address Finder

Read More

Postcode Validation

How to Validate a UK Postcode. Evaluating the Trade-offs for Various Solutions Including Postcode Lookup Services, Proprietary Postcode Datasets, Free Datasets and Regular Expressions (Regex)

Read More

Run Postcodes.io Database Locally

Run a Local Instance of the Latest Postcodes.io Database and Start Dispatching SQL Queries in Minutes

Read More

Pricing Plans

Ideal Postcodes' Available Pricing Plans

Read More

Reverse Address Geocoding

What is Reverse Geocoding and how is it useful?

Read More

Royal Mail Charity Registration

A Guide to Completing the Royal Mail Charity Registration Form

Read More

Screen Reader

Screen reader compatibility is available for our address validation solutions

Read More

Sublicensing

Understanding How the Sublicensing Platform Works

Read More

Thoroughfare Descriptors

List of Thoroughfare & Dependent Thoroughfare descriptors in the UK

Read More

UDPRN: Unique Delivery Point Reference Number

Understanding the Unique ID Number Assigned to Every Premise in the UK

Read More

The UK Postcode Format

A comprehensive outline of UK postcode patterns, its constituent components and how they can be utilised. Split a postcode into outward code, inward code, postcode area, district code, sub-district code, postcode sector and postcode unit.

Read More

UPRN: Unique Property Reference Number

What Is a UPRN, Its Uses and How It Complements the Postcode Address File

Read More

USRN: Unique Street Reference Number

Understanding the Unique Identifier for Every Street Across Great Britain

Read More

What Is A Lookup?

How Lookups Are Counted Across Ideal Postcodes Address Search and Validation APIs

Read More

What Is the Postcode Address File (PAF®)?

The Most Accurate and Reliable Address Dataset for the UK, Provided by Royal Mail

Read More