ESB Head Office
The ESB Switchboard handles all incoming queries for staff and general ESB information.
You can call the ESB switchboard at 01-6765831 or dial 0 from an internal phone. The switchboard operators can transfer your call to anyone in the company.
The switchboard contact hours are from 8:30am to 5:30pm during working days.
Head Office Reception
Head Office front door and reception is open from 7.30am to 7pm for staff and visitors.