BIHAR Pin Code – Postal List Total 38 Districts Across Bihar & their Post OfficesArariaArwalAurangabadBankaBegusaraiBhagalpurBhojpurBuxarDarbhangaGayaGopalganjJamuiJehanabadKaimur (bhabua)KatiharKhagariaKishanganjLakhisaraiMadhepuraMadhubaniMungerMuzaffarpurNalandaNawadaPashchim ChamparanPatnaPurbi ChamparanPurniaRohtasSaharsaSamastipurSaranSheikhpuraSheoharSitamarhiSiwanSupaulVaishali