Bord Gais Phone Number: +353 1 611 01 01

Customers with a Bord Gais energy account can phone +353 1 611 01 01 to pay a bill, change contact details, or submit a reading. 

This is an automated customer service line which you can use to manage aspects of your account such as billing. The +353 prefix indicates that the phone call is to the Republic of Ireland.