Purnia have 24 pincodes.

Naugachia 3 locations 853204
Chopra Ram Nagar 13 locations 854102
Majhwar 1 locations 854113
Banaili 5 locations 854201
Banmankhi 18 locations 854202
Barhara Kothi 12 locations 854203
Bhawanipur Rajdham 18 locations 854204
Dhamdaha 7 locations 854205
Bhatta Bazar 6 locations 854301
Purnea City 1 locations 854302
Purnea Polyticnic 11 locations 854303
Purnea Chowk 18 locations 854304
Khuskibagh 1 locations 854305
Sarsi 6 locations 854306
Baisi 17 locations 854315
Bathnaha 3 locations 854316
Belaganj 1 locations 854317
Garhbanaili 10 locations 854325
Gulabbagh 8 locations 854326
Jalalgarh 5 locations 854327
Kasba (Purnia) 18 locations 854330
Maldwar 1 locations 854333
Narpatganj 2 locations 854335
Ranipatra 6 locations 854337