That’s the wise thing to do, but people routinely use oh. Five-oh-six-three-four-oh-one. In fact, zero might sound overly formal to me depending on the context. If I am reading my credit card number, I would say zero.
That’s the wise thing to do, but people routinely use oh. Five-oh-six-three-four-oh-one. In fact, zero might sound overly formal to me depending on the context. If I am reading my credit card number, I would say zero.