Pin code of Siwan, Bihar, India. All post office addresses data in Siwan, Bihar.
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What is Pin Code?
The Postal Index Number (PIN) or PIN Code is a 6 digit code of Post Office numbering used by India Post. The PIN was introduced on August 15, 1972. The PINcode is 6 digits long. First digit reflects region, second the sub-region, third the sorting district, and last three represent the post office code.
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1st 2 Digits of pin code, Postal Circle
- 11 - Delhi
- 12 - 13 Haryana
- 14 - 16 Punjab
- 17 - Himachal Pradesh
- 18 - 19 Jammu & Kashmir
- 20 - 28 Uttar Pradesh
- 30 - 34 Rajasthan
- 36 - 39 Gujarat
- 40 - 44 Maharashtra
- 45 - 48 Madhya Pradesh
- 49 - Chhattisgarh
- 50 - 53 Andhra Pradesh
- 50 - 53 Telangana
- 56 - 59 Karnataka
- 60 - 64 Tamil Nadu
- 67 - 69 Kerala
- 682- Lakshadweep
- 70 - 74 West Bengal
- 744- Andaman & Nicobar
- 75 - 77 Orissa
- 78 - Assam
- 79 - Arunachal Pradesh
- 79 - Manipur
- 79 - Meghalaya
- 79 - Mizoram
- 79 - Nagaland
- 79 - Tripura
- 80 - 85 Bihar
- 80 - 83, 92 Jharkhand