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ToggleIf you’re driving through central Tamil Nadu, maybe on your way from Trichy to Chennai, you might start noticing a lot of vehicles with TN 46 on their number plates. But what does that really mean?
TN 46 is the official vehicle registration code for Perambalur, a quiet district that sits strategically along major highway routes and connects several key regions of the state.
For locals, TN 46 is just part of their vehicle identity. But for trav ellers, especially those on road trips, renting cars, or biking across Tamil Nadu, it’s handy to know where your vehicle is registered and what it might say about your route and responsibilities.
Perambalur RTO (TN 46): What Travellers Should Know?
The Regional Transport Office (RTO) in Perambalur isn’t exactly a stop on your travel itinerary, but it plays a crucial role in how vehicles are registered, tracked, and maintained here.
Whether you’re renting a vehicle, looking to buy a second-hand bike, or just curious about how Tamil Nadu’s road systems are structured, this office is the core hub for all TN 46-registered vehicles.
Here’s a quick look at its details:
| Field | Details |
| TN Registration | Regional Transport Office (RTO) |
| Number | TN-46 |
| City | Perambalur |
| State | Tamil Nadu |
| Phone | 9384808527 |
| rtotn46@nic.in | |
| Address | Near Rover College, Thaneerpandal, Elambalur, Perambalur – 621212 |
While you may never need to step foot in the RTO during your trip, it’s helpful to know where your vehicle is registered, especially if you’re traveling between districts or into neighboring states like Andhra Pradesh or Kerala.
What Makes TN 46 Relevant for Travellers?

If you’re renting a vehicle or self-driving through Tamil Nadu, the number on your plate is more than just identification. It tells a story—about where the vehicle came from, where it’s allowed to go, and which RTO has jurisdiction over it.
Here’s why TN 46 matters to travelers:
- It’s the official code for Perambalur RTO
- If you rent from a provider in or around Perambalur or Trichy outskirts, you’ll likely get a TN 46 vehicle
- Traffic police and transport officials use it to identify where the vehicle was issued, especially at state and district border check posts
- In case of permit checks or documentation issues, knowing your RTO region saves time and confusion
Whether you’re headed to nearby temples, historic towns, or scenic rural areas around Tamil Nadu, your TN 46-registered ride connects you to Perambalur’s administrative network, even if only on paper.
Other RTO Codes Near Perambalur You Might See
Perambalur sits in a busy zone of Tamil Nadu, so it’s common to see vehicles with similar RTO codes driving in and out of the region.
While TN 46 covers Perambalur, you might also come across:
- TN 11: For vehicles from Tambaram
- TN 45: For vehicles from Trichy West
- TN 48: For vehicles from Sri Rangam
This regional split helps government authorities and transport departments manage vehicle registrations, tax zones, and road services more effectively. For travelers, it offers a small but fascinating insight into the administrative heartbeat of the state’s road systems.
FAQs
What is TN 46 in Tamil Nadu?
TN 46 is the vehicle registration code assigned to the Perambalur District in Tamil Nadu by its Regional Transport Office.
Where is the TN 46 RTO located?
The TN 46 RTO office is located near Rover College, Thaneerpandal, Elambalur, Perambalur – 621212.
Is TN 46 the same as TN 11?
No, TN 46 belongs to Perambalur, while TN 11 is for Ariyalur, a neighboring district.
Why should travelers care about vehicle registration codes?
RTO codes help identify where a vehicle is registered. This matters for permits, rental regulations, and interstate travel checks.
What documents should I carry while driving in Tamil Nadu?
You should carry a valid driving license, vehicle RC, insurance papers, and, if renting, the rental agreement.
Can TN 46 vehicles be used across India?
Yes, TN 46-registered vehicles can be driven across India, provided they have the required permits and valid documentation.







