Pincode Circles

The first 2 digits of PIN indicates as below:
First 2 Digits of PIN  Circle
11 Delhi
12 and 13 Haryana
14 to 16 Punjab
17 Himachal Pradesh
18 to 19 Jammu & Kashmir
20 to 28 Uttar Pradesh and Uttaranchal
30 to 34 Rajasthan
36 to 39 Gujarat
40 to 44 Maharashtra
45 to 49 Madhya Pradesh and Chhattisgarh​
50 to 53 Andhra Pradesh
56 to 59 Karnataka
60 to 64 Tamil Nadu
67 to 69 Kerala
70 to 74 West Bengal
75 to 77 Orissa
78 Assam
79 North Eastern
80 to 85 Bihar and Jharkhand
90 to 99 Army Postal Service (APS)