| 1960s |
- 5-digit format introduced for fixed telephone line numbers.
- Later, both 5-digit and 6-digit phone numbers were used as Singapore's fixed-line telephone network grew.
|
| 1977 |
- First mobile phone designed for use in cars introduced.
|
| 1980s |
- Uniform 7-digit format introduced island-wide for fixed telephone line numbers.
|
| 1988 |
- First cellular Mobile Radio System (CMRS) operating on Advanced Mobile Phone System (AMPS) introduced.
|
| 1989 |
- Mobile phone and pagers able to be used in MRT trains.
- Mobile phones with caller-ID capability introduced.
|
| 1991 |
- Introduction of Singapore's second analogue cellular system (ETACs).
|
| 1994 |
- Introduction of Singapore's first digital cellular system, Global System for Mobile Communications (GSM).
|
| 1995 |
- 8-digit numbers introduced for mobile phones and pagers by adding the prefix '9'.
|
| Mar 2002 |
- 8-digit numbers introduced for fixed line numbers by adding the prefix '6'.
|
| Mar 2004 |
- 8-digit mobile phone numbers with prefix '8' introduced.
|
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