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Priya Venkatesan
India addresses and PIN codes for sthan.io
Priya writes about Indian addresses: how the 6-digit PIN code works, what each digit means, India's 9 postal zones, and DIGIPIN, the newer location-based code.
Her guide ends with how to validate a PIN code in your own application.
- 1 article
- 8 minutes of reading
- About 19,300 PIN codes explained
- Published Jan 5, 2026
What the guide covers
- Structure India PIN Code System: Complete Guidewhat each of the six digits represents
- Postal zones India PIN Code System: Complete GuideIndia's 9 postal zones, with examples
- History and DIGIPIN India PIN Code System: Complete Guidethe 1972 system and the newer DIGIPIN
- Validation India PIN Code System: Complete Guidehow to check a PIN code in your application
Questions this article answers
Each question links to the answer inside the article.
PIN codes
Related on sthan.io
Terms explained
All articles by Priya
Educational
India PIN Code System: Complete Guide to Postal Index Numbers
Learn how India's 6-digit PIN code system works - structure, postal zones, and how to validate PIN codes for your applications.
Jan 5, 2026
8 min