Kerala Vehicle Number

Numbering of vehicle in India is done at Regional/Sub Regional Transport Offices located in various states. Each vehicle number has prescribed format. 
Eg: KL- 07 AB 007, where 'KL' denotes State Code , '07' denotes RTOs code and  'AB' denotes Series and '9999' denotes Serial Number between 1 and 9999.
In Kerala, there are 18 Regional Transport Offices and 47 Sub Regional Transport Offices. 

KL- 01 Thiruvananthapuram

KL- 16 Attingal

KL- 19 Parassala

KL- 20 Neyyattinkara

KL- 21 Nedumangad

KL- 22 Kaz hakuttam

KL- 02 Kollam

KL- 23 Karunagappally

KL- 24 Kottarakara

KL- 25 Punalur

KL- 61 Kunnathur

KL- 03 Pathanamthitta

KL- 26 Adoor

KL- 27 Thiruvalla

KL- 28 Mallappally

KL- 62 Ranni

KL- 04 Alapuzha

KL- 29 Kayamkulam

KL- 30 Chengannur

KL- 31 Mavelikkara

KL- 32 Cherthala

KL- 66 Kuttanadu

KL- 05 Kottayam

KL- 33 Changanassery

KL- 34 Kanjirappally

KL- 35 Palai

KL- 36 Vaikom

KL- 67 Uzhavoor

KL- 06 Idukki

KL- 37 Vandiperiyar

KL- 38 Thodupuzha

KL- 68 Devikulam

KL- 69 Udubanchola

KL- 07 Ernakulam

KL- 17 Muvattupuzha

KL- 39 Thripunithura

KL- 40 Perumbavoor

KL- 41 Aluva

KL- 42 North Paravoor

KL- 43 Mattanchery

KL- 44 Kothamangalam

KL- 63 Angamali

KL- 08 Thrissur

KL- 45 Irinjalakuda

KL- 46 Guruvayur

KL- 47 Kodungallur

KL- 48 Wadakkanchery

KL- 64 Chalakkudy

KL- 09 Palakkad

KL- 49 Alathur

KL- 50 Mannarkkad

KL- 51 Ottappalam

KL- 52 Pattambi

KL- 70 Chittur

KL- 10 Malappuram

KL- 53 Perinthalmanna

KL- 54 Ponnani

KL- 55 Thirur

KL- 65 Thirurangadi

KL- 71 Nilambur

KL- 11 Kozhikkode

KL- 18 Vadakara

KL- 56 Koilnady

KL- 57 Koduvally

KL- 12 Wayanad

KL- 72 Mananthavady

KL- 73 Sulthanbathery

KL- 13 Kannur

KL- 58 Thalassery

KL- 59 Thaliparamba

KL- 14 Kasargod

KL- 60 Kanhangad 

KL- 15 Kerala State Road Transport Corporation