FREQUENTLY ASKED QUESTIONS ABOUT O2 CHECKING
Where do I find the Bank's ABA/routing number?
You can find ABA/routing numbers in the lower left of your check. Old Second's ABA/routing number is 071900760. See the diagram below for more information.
How do I reorder new checks?
to order checks.
How do I set up direct deposit to my Old Second account?
Generally, you will need to provide your employer with the following: Old Second's ABA/routing number: 071900760, the account number to which you wish to make the deposit, the account type (eg. checking, savings). Consult your employer's human resources department for their full requirements.
Can I manage my checking account with a mobile device?
Yes. Download the O2 Mobile Banking app here