Or Validate The eGiro ACH Bank Code 
Or Select a Branch Code from these
Format of Hsbc Bank (singapore) Ltd - Personal eGiro ACH Bank Branch Code
An eGiro ACH Bank Branch Code is a three-digit code used to identify a Singapore financial institution's individual bank branch.
The Parameter is-
A Singapore bank account number is typically 7-10 digits long. The ACH branch code is typically included in the account number. Your ACH branch code will be the first three digits of your account number.
For example, if the account number is 0123456789, the ACH branch code will be 012, which is the first three digits of the account number.