Ill. Admin. Code tit. 38, § 345.420
a) Information available to the public. A bank shall maintain a public file that includes the following information:
3) A list of the bank's branches, their street addresses, and geographies;
b) Additional information available to the public.
1) Banks other than small banks. A bank, except a small bank or a bank that was a small bank during the prior calendar year, shall include in its public file the following information pertaining to the bank and its affiliates, if applicable, for each of the prior two calendar years:
A) If the bank has elected to have one or more categories of its consumer loans considered under the lending test, for each of these categories, the number and amount of loans:
3) Small banks. A small bank or a bank that was a small bank during the prior calendar year shall include in its public file:
c) Location of public information. A bank shall make available to the public for inspection upon request and at no cost the information required in this Section as follows:
2) At each branch: