ninshōbangōdatta
1. Was an authentication number.
Noun
#298906
1. Was an authentication number.
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. certification; attestation
2. Imperial attestation
1. Was the phone number.
1. Probably the phone number.