Where is area code 079?

invalid codeThere is no area code 079 (i.e., +353 79 in international format) in the Republic of Ireland. Area code 071 is Sligo, and 074 is Letterkenny and Donegal. There are no other 07X or 07XX area codes in Ireland.

(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, and many other countries use different prefixes.)