Regional Transport Department (RTO) Karnataka,vehicle registration code for all Districts in Karnataka.
| Registering Authorities | RTO Code No. - KA- |
|---|---|
| Bangalore Central | 1 |
| Bangalore West | 2 |
| Bangalore East | 3 |
| Bangalore North | 4 |
| Bangalore South | 5 |
| Tumkur | 6 |
| Kolar | 7 |
| K.G.F | 8 |
| Mysore West | 9 |
| Chamarajnagar | 10 |
| Mandya | 11 |
| Madikeri | 12 |
| Hassan | 13 |
| Shimoga | 14 |
| Sagar | 15 |
| Chitradurga | 16 |
| Davanagere | 17 |
| Chickmaglur | 18 |
| Dakshina Kannada | 19 |
| Udupi | 20 |
| Puttur | 21 |
| Belgaum | 22 |
| Chikkodi | 23 |
| Bailhongal | 24 |
| Dharwar | 25 |
| Gadag | 26 |
| Haveri | 27 |
| Bijapur | 28 |
| Bagalkot | 29 |
| North Canara | 30 |
| Sirsi | 31 |
| Gulbarga | 32 |
| Yadgir | 33 |
| Bellary | 34 |
| Hospet | 35 |
| Raichur | 36 |
| Gangavathi | 37 |
| Bidar | 38 |
| Bhalki | 39 |
| Chickballapur | 40 |
| Rajarajeswarinagar, Bangalore | 41 |
| Ramanagar, Bangalore Rural District | 42 |
| Devanahalli, Bangalore Rural District. | 43 |
| Tiptur, Tumkur District | 44 |
| Hunsur, Mysore District | 45 |
| Sakaleshapur, Hassan Dist. | 46 |
| Honnavar, Uttarakannada Dist. | 47 |
| Jamakhandi, Bagalakote Dist. | 48 |
| Gokak, Belgaum Dist. | 49 |
| Yelhanka, Bangalore. | 50 |
| Banneraghatta, Bangalore. | 51 |
| Nelamangala, Bangalore Dist. | 52 |
| K.R.Puram, Bangalore. | 53 |
| Nagamangala, Mandya Dist | 54 |
| Mysore East . | 55 |
| Basavakalyana | 56 |
| Bangalore STU and AR | 57 |
