Look at the bottom left corner of your checks. The first nine-digit number on the left is the bank routing number. Immediately to the right of that is your checking account number.
dig meaning, definition, what is dig: to break up and move soil using a tool, a machine, or your hands: . Learn more.
transitive verb. 1 : to make an opening through or a hallowed-out place in (as by cutting, digging, boring, or shooting at) : to make a hole (see 1hole) in The ship was holed along the waterline by enemy fire. 2 : to drive or hit into a hole hole a putt The dogs holed the fox.