Only digital phones with GSM subscriptions and a roaming agreement will work on the island of Ireland. Visitors should consult with their supplier before departure.
Pre-paid phone cards are widely available both in the Republic and Northern Ireland and both are convenient and effective to use.
If calling Northern Ireland from abroad, all telephone numbers must be prefixed with 0044 (drop the first 0 of the local code).
If calling Northern Ireland from the Republic of Ireland, replace the prefix code 028 with the code 048.
If calling the Republic of Ireland from abroad all telephone numbers must be prefixed with 00 353 (drop the first 0 of the local code).