Banka have 19 pincodes.

Phulhara 1 locations 811308
Amarpur (Banka) 22 locations 813101
Haripur 30 locations 813102
Barahat 14 locations 813103
Bounsi 23 locations 813104
Jagdishpur (Bhagalpur) 5 locations 813105
Katoria 17 locations 813106
Rajoun 10 locations 813107
Laxmipur Chiraya 1 locations 813108
Punsia 14 locations 813109
Panjwara 7 locations 813110
Asarganj 2 locations 813201
Belhar 9 locations 813202
Ghogha 2 locations 813205
Khesar 13 locations 813207
Shambhuganj 14 locations 813211
Santadih 1 locations 813212
Tarapur (Munger) 6 locations 813221
Chandan 8 locations 814131