A number plate beginning with HP 55 means the vehicle was registered at Nadaun, Himachal Pradesh. Here is what the HP 55 RTO code covers and how to read the full number.
HP 55 RTO details
| RTO code | HP 55 |
|---|---|
| State | Himachal Pradesh (HP) |
| Office | Nadaun |
| District | Hamirpur |
| Office type | Registering and Licensing Authority (RLA) |
| State transport department | Official website |
How to read a HP 55 number plate
Take HP 55 AB 1234 as an example:
- HP: the state or union territory code for Himachal Pradesh.
- 55: the RTO number, here Nadaun.
- 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 Hamirpur district
HP RTO codes before and after HP 55
| Code | Office | District |
|---|---|---|
| HP 51 | Shimla (Rural) | Shimla |
| HP 52 | Shimla (Rural) | Shimla |
| HP 53 | Baijnath | Kangra |
| HP 54 | Jawali | Kangra |
| HP 56 | Jaisinghpur | Kangra |
| HP 57 | Chowari | Chamba |
| HP 58 | Manali | Kullu |
| HP 59 | Solan | Solan |
See all 99 codes in the Himachal Pradesh RTO code list.
Services at the HP 55 office
Like other transport offices, the Nadaun 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. This list has been matched against official transport department records.
Questions people ask
HP 55 RTO is which city?
HP 55 is the RTO code of Nadaun in Hamirpur district, Himachal Pradesh.
What is the full form of the HP 55 number plate code?
HP stands for Himachal Pradesh and 55 is the number of the transport office that registered the vehicle, here Nadaun.
Can I find the owner of a HP 55 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.