Benefit Security Division The address for the Benefit Security Division which investigates reports of benefit fraud. The Mail Opening Unit, Limavady JBO 9 Connell Street, Limavady BT49 4AN United Kingdom Location Locate 55.0512272, -6.9477762 Share this page Share on Facebook (external link opens in a new window / tab) Share on Twitter (external link opens in a new window / tab) Share by email (external link opens in a new window / tab)