19,252
PIN codes
1,55,599
Post offices
965
Districts
36
States & UTs
What do the six digits actually mean?
An Indian PIN code is not a random number. Each part of it narrows the location down, from a whole zone of the country to one single post office. Here is 641001 (Coimbatore) taken apart.
641001
1st digit — Zone
One of India's 9 postal zones. 6 covers Kerala, Tamil Nadu, Puducherry and Lakshadweep.
641001
1st–2nd — Sub-region
The postal circle or sub-region inside that zone.
641001
1st–3rd — Sorting district
The sorting district that routes the post. 641 is Coimbatore.
641001
4th–6th — Post office
The individual delivery post office inside that district.