All States
Select a state to find PIN codes
What is a PIN Code?
PIN (Postal Index Number) code is a 6-digit code used by India Post to sort and deliver mail efficiently. Each PIN code corresponds to a specific post office or delivery area in India.
PIN Code Format
A PIN code consists of 6 digits where the first digit represents the region, the second digit represents the sub-region, the third digit represents the sorting district, and the last three digits represent the delivery post office.
Why is PIN Code Important?
Every courier label, e-commerce checkout and government form asks for a PIN because the code — not the locality name — is what actually routes a delivery. Automated sorting centres read the PIN before a human ever sees the address, banks and insurers use it as an address-verification field during KYC, and census work leans on it for geographic identification. The story of the 6-digit system — why it was introduced in 1972 and how the zones were drawn — explains why the same code can serve several neighbouring villages while two identically-named localities in one state never share a code.
Post offices are also savings institutions — see what the Post Office Monthly Income Scheme and post office RD currently pay. For bank branch codes, use the IFSC finder.
How the Six Digits Are Organised
India's PIN system (introduced in 1972) divides the country into 9 zones: the first digit is the zone (1 covers Delhi, Haryana, Punjab, HP and J&K; 4 covers Maharashtra, MP and Chhattisgarh; 5 the southern Telugu/Kannada belt; 6 Tamil Nadu and Kerala; 8 the east; 9 is reserved for Army Post Offices). The second digit narrows the sub-zone/circle, the third identifies the sorting district, and the final three pinpoint the delivery post office. Knowing this, a code like 110001 reads instantly as central Delhi, while 600001 is Chennai GPO.
Getting the PIN Right: Common Mistakes
The costliest mistake is trusting an old address book: post offices are periodically merged or re-designated, and a PIN that worked five years ago may now route to a different sorting district. The second is guessing from a neighbouring locality — e-commerce serviceability, delivery speed and cash-on-delivery availability are all decided per PIN, and a wrong code can silently mark your address undeliverable rather than throwing an error at checkout. When in doubt, look the office up by state, district and post office name here rather than copying a code from a listing site, and write the PIN on its own line after the city and state so the sorting machines read it cleanly.