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 Bulgaria only, while Globul took the old M-tel code 089 (+7 digits)", and the rest were freed up. (Mobikom had gone through a similar change in the mid-90s – from "(0)799" to "(0)48"). This change provokes an error in citing mobile numbers, quite similar to that of erroneous UK telephone codes. The first digit of the subscriber number is most often cited as part of the access code, e.g. "(0)887 XXX XXX", instead of the correct "(0)88 7XXX XXX". This error remains for new subscriber numbers even for Vivacom (which entered the market with the "087 (+7 digits)" code and has