SG
Singapore Phone Number Format
Country code +65 — Complete guide to Singapore phone number formats, mobile and landline structures, and area codes.
How Singapore Phone Numbers Are Written
Phone numbers in Singapore have 8 digits after the country code +65.
There is no trunk prefix to remove: the number is written the same way at home
(81XX XXXX)
and after the country code (+65 81XX XXXX).
| Country code | +65 |
|---|---|
| Digits after +65 | 8 digits |
| Trunk prefix (domestic calls) | None |
| Mobile numbers start with | 8 or 90–98 |
| Dial from the US | 011 65 81XX XXXX |
Mobile vs. Landline Numbers
8 digits after +65, starting with 8 or 90–98.
81XX XXXX at home+65 81XX XXXX international8 digits after +65.
6123 XXXX at home+65 6123 XXXX internationalSingapore Number Types
| Type | Starts with | Written at home | International | From the US |
|---|---|---|---|---|
| Mobile | 8 or 90–98 | 81XX XXXX |
+65 81XX XXXX |
011 65 81XX XXXX |
| Landline | 6 | 6123 XXXX |
+65 6123 XXXX |
011 65 6123 XXXX |
| Toll-free | 18 or 80 | 1800 XXX XXXX |
+65 1800 XXX XXXX |
011 65 1800 XXX XXXX |
| Premium rate | 19 | 1900 XXX XXXX |
+65 1900 XXX XXXX |
011 65 1900 XXX XXXX |
| VoIP | — | 3123 XXXX |
+65 3123 XXXX |
011 65 3123 XXXX |
| Company number (UAN) | — | 7000 XXXX XXX |
+65 7000 XXXX XXX |
011 65 7000 XXXX XXX |
X stands for any digit. Source: libphonenumber metadata (phonenumbers 9.0.40), Google's open numbering data.
Checking a number from Singapore? The phone number checker tells you if it is valid, mobile or landline, and gives its international format.
Dialing Tips
- Keep every digit: Singapore numbers have no trunk prefix, so dial them after +65 exactly as they are written locally.
-
Use the + notation: From a US mobile phone, use
+65instead of011 65. - Verify the number length: Numbers in Singapore have 8 digits after +65. If your call does not connect, check that no digit is missing or doubled.
-
Save contacts in international format: Always store phone numbers with the full
+65prefix so they work from any country.
Singapore Phone Number FAQ
How many digits does a phone number in Singapore have?
Phone numbers in Singapore have 8 digits after the country code +65.
What do mobile numbers in Singapore start with?
Mobile numbers in Singapore start with 8 or 90–98, for example 81XX XXXX.
How do I write a phone number from Singapore in international format?
Start with +65, then the national number. For example, a mobile number written 81XX XXXX at home becomes +65 81XX XXXX. From a US landline, dial 011 65 81XX XXXX.
What is the toll-free prefix in Singapore?
Toll-free numbers in Singapore start with 18 or 80, for example 1800 XXX XXXX. Many toll-free numbers can't be reached from abroad.