Table of Contents
ToggleIf you’re cruising through Tamil Nadu, especially around the sacred and scenic routes near Arunachala Hill, there’s a good chance you’ll spot plenty of vehicles flashing TN 25 on their number plates.
But what exactly does that mean? TN 25 is the official vehicle registration code for Tiruvannamalai District, one of Tamil Nadu’s most spiritual and culturally rich regions.
For locals, TN 25 is simply an everyday identifier. But for travellers, especially those on a road trip, renting a car, or riding a bike through the temples and mountains of Tiruvannamalai, it’s incredibly useful to know where your vehicle comes from and what to expect while driving through the district.
Tiruvannamalai RTO (TN 25) – What Travellers Should Know?
The Tiruvannamalai Regional Transport Office (RTO) may not be a tourist spot, but it plays a surprisingly important role in how vehicles operate throughout the district.
Whether you’re picking up a rental scooter for Girivalam, driving a car from Chennai, or simply curious about Tamil Nadu’s vehicle systems, the TN 25 RTO is the administrative hub for all transport-related services in this region.
Here’s a quick view of the key details for TN 25:
| Field | Details |
| TN Registration | Regional Transport Office (RTO) |
| Number | TN‑25 |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | 04175‑232266 |
| CUG Number | 9384808525 |
| rtotn25@nic.in | |
| Address | Master Plan Complex, Near Collectorate, Tiruvannamalai – 606601 |
While you probably won’t need to step into the RTO building as a tourist, it’s still helpful to know where your vehicle is officially tied to, especially when you’re crossing district borders, passing through police checkpoints, or using a rented vehicle within Tamil Nadu.
What Makes TN 25 Useful for Travellers?

Whether you’re planning a temple trail to Arunachaleswarar Temple, driving toward Sathanur Dam, or renting a bike for a spiritual Girivalam walk, knowing the RTO region behind your vehicle can make your trip smoother.
Here’s why TN 25 matters to travellers:
- It identifies vehicles registered in Tiruvannamalai District
- If you’re renting locally, your car or bike will almost always carry a TN 25 number plate
- Traffic officials use the code to verify where a vehicle originates from
- At interstate or district border check posts, RTO codes can help ensure a faster verification
- In case of emergencies, knowing your RTO jurisdiction can be incredibly helpful for resolving paperwork
If you’re exploring Tiruvannamalai, whether to climb up Skandashramam, meditate at Ramana Ashram, or road-trip through the rural landscapes, you’ll often spot TN 25 vehicles all around you, quietly signalling the district’s transport identity.
Other RTO Codes Near Tiruvannamalai
Tamil Nadu’s transport system is well-organized, and nearby districts have their own RTO codes that you may see on the road:
- TN 23 – Vellore
- TN 32 – Villupuram
- TN 21 – Kanchipuram
This network of codes helps officials manage flow, verify vehicle regions, and maintain clarity across district borders. For travellers, it’s a simple but fascinating insight into Tamil Nadu’s road structure.
FAQs
What district does TN 25 belong to?
TN 25 is the vehicle registration code for Tiruvannamalai District in Tamil Nadu.
Do I need to visit the Tiruvannamalai RTO as a traveller?
Not usually, unless you’re handling ownership transfer, registration, or licensing.
Is Tiruvannamalai good for self-drive road trips?
Yes! The district is scenic, travel-friendly, and connected through major highways.
Can I rent a bike or car in Tiruvannamalai?
Absolutely. Local rentals and app-based services offer bikes, scooters, and self-drive cars.
What documents should I carry when driving in Tamil Nadu?
A valid license, ID proof, vehicle RC, insurance, and pollution certificate.
How can I check if a vehicle is registered under TN 25?
Use any online vehicle information lookup service by entering the number plate.
Are there many police checkpoints around Tiruvannamalai?
You may encounter them near district borders, festival seasons, and busy routes.







