A number plate beginning with AP 31 means the vehicle was registered at Visakhapatnam, Andhra Pradesh. Here is what the AP 31 RTO code covers and how to read the full number.
AP 31 RTO details
| RTO code | AP 31 |
|---|---|
| State | Andhra Pradesh (AP) |
| Office | Visakhapatnam |
| District | Visakhapatnam |
| Office type | Regional Transport Office (old code) |
| Note | Retired; AP-32, AP-33 and AP-34 were also set aside for Visakhapatnam. |
| State transport department | Official website |
How to read a AP 31 number plate
Take AP 31 AB 1234 as an example:
- AP: the state or union territory code for Andhra Pradesh.
- 31: the RTO number, here Visakhapatnam.
- 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.
AP RTO codes before and after AP 31
| Code | Office | District |
|---|---|---|
| AP 21 | Kurnool | Kurnool |
| AP 26 | Nellore | SPSR Nellore |
| AP 27 | Ongole | Prakasam |
| AP 30 | Srikakulam | Srikakulam |
| AP 35 | Vizianagaram | Vizianagaram |
| AP 37 | Eluru | West Godavari |
| AP 39 | Statewide (all RTAs/RTOs in Andhra Pradesh) | All districts |
| AP 40 | Statewide (all RTAs/RTOs in Andhra Pradesh) | All districts |
See all 16 codes in the Andhra Pradesh RTO code list.
Services at the AP 31 office
Like other transport offices, the Visakhapatnam 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
AP 31 RTO is which city?
AP 31 is the RTO code of Visakhapatnam, Andhra Pradesh.
What is the full form of the AP 31 number plate code?
AP stands for Andhra Pradesh and 31 is the number of the transport office that registered the vehicle, here Visakhapatnam.
Can I find the owner of a AP 31 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.