FYI - may be useful.
KA—Karnataka
KA-01 Bangalore Central (Koramangala)
KA-02 Bangalore West (Rajajinagar)
KA-03 Bangalore East (Indiranagar)
KA-04 Bangalore North (Yeshwanthpur)
KA-05 Bangalore South (Jayanagar)
KA-06 Tumkur
KA-07 Kolar
KA-08 Kolar Gold Fields (KGF)
KA-09 Mysore West
KA-10 Chamrajnagar
KA-11 Mandya
KA-12 Madikeri
KA-13 Hassan
KA-14 Shimoga
KA-15 Sagara
KA-16 Chitradurga
KA-17 Davangere
KA-18 Chickmagalur
KA-19 Mangalore
KA-20 Udupi
KA-21 Puttur / Sullia
KA-22 Belgaum
KA-23 Chikkodi
KA-24 Bailhongal
KA-25 Dharwad
KA-26 Gadag
KA-27 Haveri
KA-28 Bijapur
KA-29 Bagalkot
KA-30 Karwar
KA-31 Sirsi
KA-32 Gulbarga
KA-33 Yadgir
KA-34 Bellary
KA-35 Hospet
KA-36 Raichur
KA-37 Koppal
KA-38 Bidar
KA-39 Bhalki
KA-40 Chikkaballapur
KA-41 Rajarajeshwari Nagar, Kengeri, Bangalore Urban district
KA-42 Ramanagara
KA-43 Devanahalli, Bangalore Rural district
KA-44 Tiptur, Tumkur district
KA-45 Hunsur, Mysore district
KA-46 Sakleshpur, Hassan district
KA-47 Honnavar, Uttara Kannada district
KA-48 Jamkhandi, Bagalkot district
KA-49 Gokak, Belgaum district
KA-50 Yelahanka, Bangalore district
KA-51 Hosur Road near Electronics City, Bangalore district
KA-52 Nelamangala, Bangalore district
KA-53 K.R. Puram, Bangalore district
KA-54 Nagamangala, Mandya district
KA-55 Mysore East
KA-56 Basavakalyan, Bidar district
KA-57 Shantinagar, Bangalore district (Only for KSRTC, BMTC and Autos[1])