Phone Numbers and Support. If you have a question about your bank account or another product you have through the Regions Bank then contact the Regions Bank Customer Service department. The telephone number is 800-734-4667.
Buffalo Grove is a village in Cook and Lake counties in the U.S. state of Illinois, within the northern suburbs of Chicago. As of the 2010 census, the village population was 41,496.
In 1853, the Illinois legislature split Iroquois County, and Bourbonnais Grove became part of new Kankakee County. Because the Illinois Central Railroad ran through Kankakee, founded in 1854, it became the county seat, with Bourbonnais Grove as one of several townships.