On Saturday, May 3, 1997 12:00:00 AM UTC-7, Andrew M. Sarangan wrote:

How do other pilots like to refer to runway numbers ?

"three zero" makes more sense than "thirty", as all pilots with
English as a second language would have to learn to count to 35.

And iirc, the phonetic convention only goes to nine. So would 29 be
"twenty niner"? Two niner makes more sense.