A number plate beginning with HR 37 means the vehicle was registered at Ambala, Haryana. Here is what the HR 37 RTO code covers and how to read the full number.
HR 37 RTO details
| RTO code | HR 37 |
|---|---|
| State | Haryana (HR) |
| Office | Ambala |
| District | Ambala |
| Office type | Regional Transport Authority |
| Note | Commercial (transport) vehicles. |
| State transport department | Official website |
How to read a HR 37 number plate
Take HR 37 AB 1234 as an example:
- HR: the state or union territory code for Haryana.
- 37: the RTO number, here Ambala.
- AB: the series letters, given out in order as numbers run out.
- 1234: the unique number of the vehicle in that series.
More on this in the number plate format guide. The plate colour also tells you the vehicle type; see number plate colours.
Other RTO codes in Ambala district
HR RTO codes before and after HR 37
| Code | Office | District |
|---|---|---|
| HR 33 | Safidon | Jind |
| HR 34 | Mahendragarh | Mahendragarh |
| HR 35 | Narnaul | Mahendragarh |
| HR 36 | Rewari | Rewari |
| HR 38 | Faridabad | Faridabad |
| HR 39 | Hisar | Hisar |
| HR 40 | Assandh | Karnal |
| HR 41 | Pehowa | Kurukshetra |
See all 99 codes in the Haryana RTO code list.
Services at the HR 37 office
Like other transport offices, the Ambala office handles vehicle registration, transfer of ownership, hypothecation changes, duplicate RC, fitness for transport vehicles and driving licences. Many of these can now be started online on the official Parivahan Sewa portal, and the office then checks documents or the vehicle where needed. For address, timings and fees, check the state transport department website.
This page is an independent guide, not an official record. For the final word on any registration, use the official Vahan service or ask the RTO.
Questions people ask
HR 37 RTO is which city?
HR 37 is the RTO code of Ambala, Haryana.
What is the full form of the HR 37 number plate code?
HR stands for Haryana and 37 is the number of the transport office that registered the vehicle, here Ambala.
Can I find the owner of a HR 37 vehicle here?
No. This site only explains codes. Vehicle and owner details are protected; registered owners and authorised users can check their own vehicle on the official Parivahan services.