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
Non-geographic telephone numbers in the United Kingdom change to the way in which calls were charged for. When first introduced in the 1980s, special 'local rate' and 'national rate' non-geographic prefixes (such as 0345, 0645 and 0990) had been charged at exactly the same rate as normal local and national geographic calls. Telecoms deregulation saw several more landline providers enter the market and call packages with "inclusive" minutes to 01 and 02 numbers started to become the standard offering after 1999. While BT's charges for calls to non-geographic numbers were capped, most call packages did not include calls to non-geographic numbers, and other landline providers and mobile