Another old person story

Customer: Hi, I'd like my account balance please.
ME: Sure, what's the account number?
Customer: 555-1234-5...
ME: Oh, that's your phone number sir.
Customer: Oh, I see, 555-2251-5...
ME: That's my phone number sir.
Customer: Oh, let me get my checkbook out from under the dog then.
ME: Okay.