| the first number | regions | provinces |
|---|---|---|
| 1 | North | Delhi, Haryana, Punjab, Himachal Pradesh, Jammu & Kashmir |
| 2 | North | Uttar Pradesh and Uttaranchal |
| 3 | west | Rajasthan and Gujarat |
| 4 | west | Chattisgarh ,Maharastra and Madhya Pradesh |
| 5 | South | Andhra Pradesh and Karnataka |
| 6 | South | Kerala and Tamil Nadu |
| 7 | East | West Bengal, Orissa and North Eastern |
| 8 | East | Bihar & Jharkand |
the meaning of the first two numbers
| first two numbers | sorting and forwarding centre |
|---|---|
| 11 | Delhi |
| 12 - 13 | Haryana |
| 14 - 16 | Punjab |
| 17 | Himachal Pradesh |
| 18 - 19 | Jammu & Kashmir |
| 20 - 28 | Uttaar Pradesh |
| 30 - 34 | Rjasthan |
| 36 - 39 | Gujarath |
| 40 - 44 | Maharastra |
| 45 - 49 | Madhya Pradesh |
| 50 - 53 | Andhra Pradesh |
| 56 - 59 | Karnataka |
| 60 - 64 | Tamil Nadu |
| 67 - 69 | Kerala |
| 70 - 74 | West Bengal |
| 75 - 77 | Orissa |
| 78 | Assam |
| 79 | North Eastern |
| 80 to 85 | Bihar |