watakushisho sō bangōdattara
1. If/when my PO box number is…; If it were my PO box number…
Noun
1. If/when my PO box number is…; If it were my PO box number…
1. if it's the case
1. telephone number
1. number on the back of a player's uniform; uniform number
1. number; series of digits
1. registration number
1. account number (bank, etc.)
1. not be found