Parse and validate UK postcodes
UK Postcode helper methods
UK Postcode Lookup plugin from Ideal Postcodes
Check and reformat Uk postcode
Validate UK postcodes.
UK Postcode lookup API. Wrapper for Ideal-Postcodes.co.uk API uses Royal Mail's Postcode Address File (PAF).
Offline UK postcode and street autocomplete. Bundles ONSPD (Feb 2026) + OS Open Names under the Open Government Licence v3.0.
MCP server for UK postcode lookups via postcodes.io
Info about UK postcode areas and districts
Validity style validator to ensure a UK postcode
simple uk postcode validation and formatting
Validity style validator to ensure a UK postcode
Converts UK address fragments into a properly formatted address recognised by Royal Mail's Clear Addressing Guidelines. Maps perfectly from Royal Mails PAF database
Validate postcodes based on country
Free, open-source UK postcode lookup and geocoding via Postcodes.io. Resolve administrative and location data for postcodes, perform reverse geocoding, nearest postcode search, postcode validation and autocomplete. No authentication required.
A lightweight Jest mock for unit testing Express
Kakao(prev: Daum) Postcode service for React
MCP Server for UK Government Data — 26 official data sources in one tool call
Australian postcode and suburbs
TypeScript class that validates UK bank account details using the modulus checking algorithm.
Add UK address lookups with a simple postcode input field on any web form with the Ideal-Postcodes.co.uk API. Ideal Postcodes uses Royal Mail's addressing database, the Postcode Address File (PAF).
Daum(Kakao) Postcode Component for Vue 3.
다음 우편번호찾기 for React, React-Native
Finds countries by various country codes
Parse, validate, and extract sub-fields from UK postcodes
A library for validating uk postcodes
Placeholder gem to reserve name before release
Allows you to find geo-position for a UK postcode, as well as which local authority and ward the postcode resides.
A wrapper around the mapit postcode lookup
Look up UK postcodes data from http://postcodes.io/.
Ideal Postcodes is a simple postcode lookup API for UK addresses. See https://ideal-postcodes.co.uk
Open Postcodes provides a postcode lookup API for UK addresses. More information https://openpostcodes.com
Use this API to retrieve address information for UK postcodes. You can request by postcode, filter by geolocation and provide autocomplete suggestions using natural address entry.
Experian's ConsumerView API is a commercially licensed API which allows you to obtain various demographic data on UK consumers at the postcode, household, and individual level. This gem provides a simple Ruby wrapper to use the API.
Tool for spidering websites/blogs, extracting geodata from specific pages. Starting at a base URL, it will spider every page underneath, returning pages which have a URL that matches a desired pattern. The typical use case is spidering an entire blog for posts which contain geodata. Different methods for extracting geodata can be used. It currently supports UK postcodes and the abbr design pattern geo microformat <http://microformats.org/wiki/geo>. It is current in use behind the scenes of the Geoblogomatic <http://www.geoblogomatic.com>.
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