Aurora is one of the principal cities of the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area (Metro Denver). The city's population was 325,078 in the 2010 census, which made it the third most populous city in the state of Colorado and the 56th most populous city in the United States.
The first nine numbers in the lower, left-hand part of your check after the MICR character is your routing number. 1  Be sure to exclude any preceding MICR characters when determining your routing number.  Following your routing number, the next set of numbers, up until the next MICR character, is your account number.
Check Routing Number. Bank checks usually contain three sets of numbers printed in magnetic ink at the bottom of the check. Business checks usually have the check number printed first, followed by the routing number, followed by the bank account number last. Personal checks usually use a different number order, with the routing number appearing first, followed by the account number, followed by the check number. With business checks, the check number is preceeded and followed by an OCR-Dash symbol that looks like (seen at right) a quote, followed by a dot.