Telephone numbers in Singapore 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 were required. Rationalisation was based on geographical locale over the 12 years. In 1995, the digit '9' was added to the front of mobiland pager numbers, making numbers eight digits, and on 1 March 2002, the digit '6' was added to the front of existing fixed line telephone
Telephone numbers in Norway Telephone numbers in Norway Before 1992, telephone numbers would consist of a 2 or 3-digit area code, and a 5 or 6-digit subscriber number. Example: (067) 85 000 and (04) 66 00 00. In that year, a closed telephone numbering plan was adopted, with eight-digit telephone numbers incorporating the area code and full number dialling for local and national calls. Service numbers were to be three digits long, Directory numbers four digits and some companies were allocated five-digit numbers, ex. 07575. GSM telephony was introduced in 1993, and those numbers always start with the digit '4' or '9'. Historically, the