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.
Buffalo is a city, located 40 miles northwest of Minneapolis in Wright County, Minnesota. The population was 15,453 at the 2010 census. It is the county seat.