5 Ways Singapore Phone Numbers Work

Singapore, a country known for its technological advancements and innovative communication systems, has a unique and efficient phone number system. The Singapore phone number system is designed to cater to the needs of its residents, businesses, and visitors. In this article, we will explore the 5 ways Singapore phone numbers work, providing an in-depth look at the country's telephone infrastructure and its various components.
Key Points
- Singapore's phone number system is regulated by the Infocomm Media Development Authority (IMDA)
- There are several types of phone numbers in Singapore, including landline, mobile, and toll-free numbers
- Singapore phone numbers typically start with a "+" or "65" prefix, followed by an 8-digit number
- Number portability is available in Singapore, allowing users to retain their phone numbers when switching service providers
- Singapore's phone number system supports various value-added services, such as call forwarding and voicemail
Understanding Singapore’s Phone Number System

Singapore’s phone number system is designed to be efficient, reliable, and user-friendly. The system is regulated by the Infocomm Media Development Authority (IMDA), which ensures that all phone numbers are allocated and managed in a fair and transparent manner. There are several types of phone numbers in Singapore, including landline, mobile, and toll-free numbers, each with its own unique characteristics and uses.
Types of Phone Numbers in Singapore
In Singapore, phone numbers are typically categorized into three main types: landline, mobile, and toll-free numbers. Landline numbers are used for fixed-line phones and are usually prefixed with a “+65” or “65” code, followed by an 8-digit number. Mobile numbers, on the other hand, are used for mobile phones and are usually prefixed with a “+65” or “65” code, followed by a 9-digit number. Toll-free numbers, also known as “1800” numbers, are used for businesses and organizations that want to provide their customers with a free phone call service.
Type of Phone Number | Prefix | Number of Digits |
---|---|---|
Landline | +65 or 65 | 8 |
Mobile | +65 or 65 | 9 |
Toll-free | 1800 | 7 |

Number Portability in Singapore

Number portability is a key feature of Singapore’s phone number system, allowing users to retain their phone numbers when switching service providers. This means that users can change their service provider without having to change their phone number, providing them with greater flexibility and convenience. Number portability is available for both landline and mobile numbers, and can be activated by submitting a request to the new service provider.
Activating Number Portability
To activate number portability in Singapore, users need to submit a request to their new service provider, providing them with their existing phone number and other relevant details. The new service provider will then contact the old service provider to initiate the number porting process, which typically takes a few days to complete. Once the number porting process is complete, the user’s phone number will be transferred to the new service provider, and they can start using their new service immediately.
What is the cost of activating number portability in Singapore?
+The cost of activating number portability in Singapore varies depending on the service provider, but is typically around SGD 10-20. Some service providers may also offer free number porting as part of their promotional packages.
How long does it take to activate number portability in Singapore?
+The number porting process in Singapore typically takes around 2-3 working days to complete, although this may vary depending on the service provider and other factors.
In conclusion, Singapore’s phone number system is designed to be efficient, reliable, and user-friendly, with various features and services available to cater to the needs of its residents, businesses, and visitors. By understanding how Singapore phone numbers work, users can make the most of their phone services and stay connected with others in a convenient and cost-effective manner.