District
1. Buxar
Pincode: 802101
2. Arwal
Pincode: 804401
3. Aurangabad
Pincode: 824101
4. Banka
Pincode: 813101
5. Begusarai
Pincode: 851101
6. Bhagalpur
Pincode: 812001
7. Bhojpur
Pincode: 802301
8. Araria
Pincode: 854311
9. Darbhanga
Pincode: 846004
10. East Champaran
Pincode: 845401
11. Gaya
Pincode: 823001
12. Gopalganj
Pincode: 841428
13. Katihar
Pincode: 6452
14. Jehanabad
Pincode: 804408
15. Khagaria
Pincode: 851204
16. Kishanganj
Pincode: 855107
17. Kaimur
Pincode: 821101
18. Jamui
Pincode: 811307
19. Lakhisarai
Pincode: 811311
20. Madhubani
Pincode: 847211
21. Munger
Pincode: 811201
22. Madhepura
Pincode: 852113
23. Muzaffarpur
Pincode: 842001
24. Saharsa
Pincode: 852201
25. Nawada
Pincode: 805110
26. Patna(State Capital)
Pincode: 800008
27. Purnia
Pincode: 854301
28. Rohtas
Pincode: 821311
29. Nalanda
Pincode: 803111
30. Samastipur
Pincode: 851217
31. Sheohar
Pincode: 843329
32. Sheikhpura
Pincode: 811105
33. Vaishali
Pincode: 844128
34. Sitamarhi
Pincode: 843301
35. Supaul
Pincode: 844501
36. Siwan
Pincode: 841226
37. Saran
Pincode: 841101
38. West Champaran
Pincode: 845101