cities started to upgrade to the 7 digit format that included letters and numbers in 1960 to 1981.
when cities start to upgrade to the 7 digit format that included letters and numbers?
1960 to 1981
Na
Na
the use of hyphens is discouraged, particularly on websites as it can prevent mobile browsers identifying the number as a clickable link for easier dialling.





























fixed line numbers are normally presented as follows:





























01 bbb bbbb for a dublin number (7 digit)





























021 bbb bbbb for a cork number. (7 digit)





























064 bbb bbbb for a killarney number (7 digit)





























061 bbb bbb for a limerick number. (6 digit)





























098 bbbbb for a westport number (5 digit)





























0404 bbbbb for a wicklow number (5 digit)
national conventions for writing telephone numbers