BR registration family
Bihar RTO codes
Browse the BR registration ladder for Bihar, including office counts, sample code blocks, and state-specific notes that help explain how the number plate family is structured.
Prefix
BR
Code blocks
37
First series
BR-01
A state-specific preview using the BR registration family.
Wide network
Bihar has 37 code blocks in this dataset, so the numeric segment matters far more than the state prefix once you are inside the state.
Sample codes in Bihar
These sample entries help users understand how the BR registration family begins before they move into the full lookup.
How to use this state page
Start with the state prefix and sample code list to understand how the registration family is structured. Then move to the exact code page if you already know the office number, or use the related guides if the question is about format, HSRP, or a state-specific rule change.
The yellow note on this page highlights the detail most likely to confuse users in that state, such as a legacy mark, a renamed prefix, or an office structure that does not map neatly to district boundaries.