**Telephone****numbers**in Indonesia; List of dialling codes**in Iran**;**Telephone****numbers****in Iran**;**Telephone****numbers**in Iraq; List of dialling codes in the Republic of Ireland;**Telephone****numbers**in the Republic of Ireland;**Telephone****numbers**in the Isle of Man;**Telephone****numbers**in Israel; List of dialling codes in Italy;**Telephone****numbers**in ItalyHistory. Until 1985, subscribers'

**telephone****numbers**in Singapore were five and six digits. Five digits were introduced in 1960s, whereas 5-digit and 6-digit phone**numbers**were introduced in 1960s as fixed lines grew, but in that year, these changed to seven digits as the introduction of new towns arose (Tampines, Jurong East, Bukit Batok, Yishun and Hougang) and a large number of new**numbers**...