Access the IRS's EIN Assistant to begin the online application (see Resources).
Click the "Begin Application" button.
Check the box next to the "Limited Liability Company (LLC)" selection. Click "Continue."
Read the description of a limited liability company to ensure that your entity complies with the IRS definition. Click "Continue."
Enter the number of members in your LLC and the state in which your LLC is principally located. A member is someone who has an ownership interest in your LLC. Remember to include yourself in this number. Click "Continue."
Supply the reason you are requesting an EIN by checking the appropriate box. Your selection will determine which questions come next in the form. Click "Continue."
Answer any subsequent questions, which will ask about the identity of the person filling out the form -- to ensure that you have legal authority -- and the address of your LLC.