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 •247002- for PTC Sub Post Office

2= One of the eight regions (North India)

24=Sub region (UP state)

247= Revenue district (Saharanpur)

002=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 

Importance of First DigitFirst digit

Region

States Covered

1. Northern Delhi,Haryana,Himachal Pradesh,J&K,Punjab

2. Northern Uttar Pradesh,Uttranchal

3. Western Gujarat, Rajasthan

4. Western Chhatisgarh,M.P,maharastra

5. Southern Andhra Pradesh, Karnataka

6. Southern Kerala,Tamilnadu

7. Eastern Assam, North Eastern,Orrisa,West Bengal

8. Eastern Bihar, Jharkhand

Importance of First Two digitsFirst Two digit

Postal Circle

11 Delhi

12,13 Haryana

14 to 16 Punjab

17 Himachal Pradesh

18,19 Jammu and Kashmir

20 to 28 Uttar Pradesh & Uttaranchal

30 to 34 Rajasthan

36 to 39 Gujarat

40 to 44 Maharashtra

Importance of First Two digit

First Two digit

Postal Circle

45 to 49 Madhya Pradesh & Chhattisgarh

50 To 53

Andhra Pradesh

56 to 59 Karnataka

60 to 64 Tamilnadu

67 to 69 Kerala

70 to 74 West Bengal

75 to 77 Orissa

78 Assam

79 Northern Eastern

80 to 85 Bihar & Jharkhand