0289 000 2100 is the number to contact Eircom’s customer services about your phone or broadband contract.

If you’d sooner write to Eircom for mobile or Internet customer care, their Twitter support page is @eirCare

Eircom is one of Ireland and Northern Ireland’s biggest telecommunications providers, selling Internet, landline and mobile phone packages to many customers in Eire. Support for fibre-optic broadband and 4G services have been decisive in winning the company market share in recent years.