#postcode
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HTML5Pattern
Regexes for use in HTML5 input fields for things like postcodes and credit card numbers. Useful regex resource in its own... -
International Address Fields in Web Forms
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Geonames: Postal Codes
Free (CC Attribution licence) web service for postcode lookups. Lat/Lng results in JSON.Categories
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FRANK'S COMPULSIVE GUIDE TO POSTAL ADDRESSES
Wow. Comprehensive and compulsive as Frank suggests. (via nickdunn). -
UK House Prices
Free, postcode search, sale history, Google Maps, clean interface, wonderfulCategories
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UK post code to latitude/longitude snippet
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qwghlm.co.uk : A better postcode regexp
Regex for UK postcodes -
GDSC - Postcode
Specification for UK postcodes