Voice
How to Call Singapore
This guide provides helpful tips for calling Singapore from the U.S. Learn how to make calls to Singapore with confidence.
The Singapore country code is +65. Use +65 as the international dialing prefix for calls to Singapore from any country, then dial the 8 digits after +65. The ISO codes are SG and SGP.
SINGAPORE COUNTRY CODE
+65
Dial before any singaporean number from outside Singapore
What is the country code for Singapore?
| Quick reference | Detail | When to use |
|---|---|---|
| Country Code | +65 | Dial before a singaporean number |
| ISO Code | SG / SGP | Country identifiers |
| International Prefix | +65 | Use for calls into Singapore |
| Trunk Prefix | 0 | Use only for domestic dialing |
| Number Length | 8 digits after +65 | Area or mobile code plus subscriber number |
| Emergency | 999 | Police, fire, and ambulance |
Good to know: Singapore uses 8-digit national numbers. Mobile numbers start with 8 or 9.
For singaporean numbers, there is no trunk prefix or area code. Dial the national number directly within Singapore. From another country, place +65 before the number.
How to call Singapore
Use this universal format: exit code, then +65, then the 8 digits after +65.
- Dial your exit code, or press + on a mobile phone.
- Dial 65 for Singapore.
- Dial the 8 digits after +65.
International call flow:
1. Exit code
→
2. +65
→
3. Local number
→
4. Dial
Exit code by country
US and Canada
011
UK and most of Europe
00
Australia
0011
Mobile, any country
+
Singaporean numbers use a 0 trunk prefix for domestic calls. Remove it when calling from abroad.
Dialing format and examples
The +CC format works on any mobile phone. Use +65 6123 4567 for a Singapore landline and +65 8123 4567 for a mobile number.
| Origin | Format | Example |
|---|---|---|
| US/Canada | 011 65 8 digits after +65 | 011 65 6123 4567 |
| UK | 00 65 8 digits after +65 | 00 65 6123 4567 |
| Australia | 0011 65 8 digits after +65 | 0011 65 6123 4567 |
| Mobile, any country | +65 8 digits after +65 | +65 6123 4567 |
For other dialing guides, see How to call the Netherlands or How to call Germany.
What a Singapore number looks like
A singaporean phone number in international format has two parts. The country code +65 and the national number.
Landline
+65 | 6123 | 4567
Mobile
+65 | 8123 | 4567
Number format and length
After +65, singaporean numbers contain 8 digits after +65. Landlines and mobile numbers follow the national format.
| Number type | Pattern | Example |
|---|---|---|
| Singapore landline | +65 XX XXX XXXX | +65 6123 4567 |
| Singaporean mobile | +65 XX XXX XXXX | +65 8123 4567 |
Format a Singapore number for WhatsApp
For WhatsApp, save the singaporean number in international format with +65 and no trunk 0. You can also save it without spaces.
If your team needs a singaporean number for customer calls or local presence, see Telnyx Phone Numbers for numbers in 140+ countries with instant activation.
Good to know: WhatsApp needs the full international format. Drop the leading 0 before you add +65.
Singapore number formats and emergency numbers
Singaporean numbers follow the national format. From another country, place +65 before the national number.
| City or region | Domestic code | International code |
|---|---|---|
| Singapore | (none) | +65 |
| Jurong | (none) | +65 |
| Woodlands | (none) | +65 |
| Tampines | (none) | +65 |
| Bedok | (none) | +65 |
| Changi | (none) | +65 |
| Number type | Dialed in Singapore | Notes |
|---|---|---|
| Emergency | 999 | Police, fire, ambulance |
| Toll-free | 0800 | Free from singaporean lines, not always reachable from abroad |
| Premium rate | 0900 | Can cost more than standard calls |
| Business numbers | 085 | Non-geographic business lines |
Keep in mind: 999 works inside Singapore only. If you are outside Singapore, call the emergency number for your current location. Some service numbers may not accept calls from outside Singapore.
Cost and best time to call Singapore
Call cost and timing depend on your carrier, your country, and whether you call a landline, mobile, toll-free, or premium-rate number.
How much does it cost to call Singapore
For business calling, Telnyx SIP Trunking gives per-minute pricing for calls to singaporean landline and mobile destinations with usage-based pricing and no monthly minimums. Your total cost can change based on call volume, destination type, and fees from your current provider.
| Calling method | Cost pattern | Best for |
|---|---|---|
| Mobile carrier | Plan rate or international fee | Personal calls |
| International add-on | Recurring fee plus lower per-minute rates | Repeat callers |
| VoIP or SIP | Per-minute pricing by destination type | Teams and high-volume calling |
Good to know: Ask your provider whether singaporean mobile calls are priced differently from landline calls. They often are.
Time zones and best time to call
Singapore follows Singapore Standard Time, UTC+8, year-round with no daylight saving.
| Calling from | Offset from NL | Best call window |
|---|---|---|
| United Kingdom | SG offset varies | 8:00 a.m. to 4:00 p.m. UK time |
| US Eastern | SG offset varies | 9:00 a.m. to 11:00 a.m. ET |
| US Pacific | SG offset varies | 6:00 a.m. to 8:00 a.m. PT |
Good to know: Time differences can shift for short periods because daylight saving dates do not match in every country.
Is calling Singapore free
Calling Singapore is not automatically free. It may be free if your mobile or landline plan includes Singapore calling, if both parties use an app over data, or if a company gives you a reachable local number.
WhatsApp and similar apps do not charge per minute for app-to-app calls, but your internet or roaming plan may charge for data. Business callers can use SIP Trunking with usage-based pricing for the lowest per-minute rates.
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Serhii Omelchenko
Global AEO/SEO Manager
Serhii is Global AEO/SEO Manager at Telnyx, based in Amsterdam, he is focused on making communications infrastructure findable and credible across both traditional search and AI-driven discovery. He previously led SEO and GEO strategy for some of the world’s most recognized consu
