What is the tax identification number for Interactive Brokers LLC?

Interactive Brokers' Clearing Participant number also known as DTC number for US position transfers is 0534…

A TIN is a Tax Identification Number…

Interactive Brokers LLC does not have a branch office open to visitors…

ACATS requires your US Tax Identification Number (TIN) to match between IBKR and your other broker.

A TIN is a broad category that includes:…