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PIN Code and its Structure. Postal Index Number (PIN). Postal Index Number is a 6-digits code introduced w.e.f. 15.08.1972. It is the last piece of information in the address. Example - Pincode of PTC PO. 625022 - PTC Sub Post Office 6 - One of the eight regions (South India)
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Postal Index Number (PIN) • Postal Index Number is a 6-digits code introduced w.e.f. 15.08.1972. • It is the last piece of information in the address.
Example - Pincode of PTC PO 625022 - PTC Sub Post Office 6 - One of the eight regions (South India) 62 - Sub region (TN Circle / State) 625 - Sorting District (Madurai) 022 - Code of delivery PO (PTC SO)
Advantages of PIN • Simplifies sorting • Distinguishes places with identical name • Eliminates the need for transcription • Helps mechanized sorting • Increases service efficiency