A number plate beginning with TN 13 means the vehicle was registered at Ambattur, Tamil Nadu. Here is what the TN 13 RTO code covers and how to read the full number.
TN 13 RTO details
| RTO code | TN 13 |
|---|---|
| State | Tamil Nadu (TN) |
| Office | Ambattur |
| District | Chennai |
| Office type | Regional Transport Office (RTO) |
| State transport department | Official website |
How to read a TN 13 number plate
Take TN 13 AB 1234 as an example:
- TN: the state or union territory code for Tamil Nadu.
- 13: the RTO number, here Ambattur.
- 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 Chennai district
- TN 01: Chennai Central
- TN 02: Chennai North West (Anna Nagar)
- TN 03: Chennai North East (Tondiarpet)
- TN 04: Chennai East
- TN 05: Chennai North
- TN 06: Chennai South East
TN RTO codes before and after TN 13
| Code | Office | District |
|---|---|---|
| TN 09 | Chennai West | Chennai |
| TN 10 | Chennai South West | Chennai |
| TN 11 | Tambaram | Chengalpattu |
| TN 12 | Poonamallee (Paruthipattu) | Tiruvallur |
| TN 14 | Sholinganallur | Chennai |
| TN 15 | Ulundurpet | Kallakurichi |
| TN 16 | Tindivanam | Villupuram |
| TN 18 | Red Hills | Chennai |
See all 87 codes in the Tamil Nadu RTO code list.
Services at the TN 13 office
Like other transport offices, the Ambattur 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
TN 13 RTO is which city?
TN 13 is the RTO code of Ambattur in Chennai district, Tamil Nadu.
What is the full form of the TN 13 number plate code?
TN stands for Tamil Nadu and 13 is the number of the transport office that registered the vehicle, here Ambattur.
Can I find the owner of a TN 13 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.