A number plate beginning with UP 55 means the vehicle was registered at Siddharthnagar, Uttar Pradesh. Here is what the UP 55 RTO code covers and how to read the full number.
UP 55 RTO details
| RTO code | UP 55 |
|---|---|
| State | Uttar Pradesh (UP) |
| Office | Siddharthnagar |
| District | Siddharthnagar |
| Office type | Transport office |
| State transport department | Official website |
How to read a UP 55 number plate
Take UP 55 AB 1234 as an example:
- UP: the state or union territory code for Uttar Pradesh.
- 55: the RTO number, here Siddharthnagar.
- 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.
UP RTO codes before and after UP 55
| Code | Office | District |
|---|---|---|
| UP 51 | Basti | Basti |
| UP 52 | Deoria | Deoria |
| UP 53 | Gorakhpur | Gorakhpur |
| UP 54 | Mau | Mau |
| UP 56 | Maharajganj | Maharajganj |
| UP 57 | Padrauna | Kushinagar |
| UP 58 | Sant Kabir Nagar | Sant Kabir Nagar |
| UP 60 | Ballia | Ballia |
See all 85 codes in the Uttar Pradesh RTO code list.
Services at the UP 55 office
Like other transport offices, the Siddharthnagar 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
UP 55 RTO is which city?
UP 55 is the RTO code of Siddharthnagar, Uttar Pradesh.
What is the full form of the UP 55 number plate code?
UP stands for Uttar Pradesh and 55 is the number of the transport office that registered the vehicle, here Siddharthnagar.
Can I find the owner of a UP 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.