Maybe it’s a job offer you’ve been waiting for. Maybe it’s your child’s school. Or maybe (and this happens more often in Singapore than anyone likes to admit) it’s a scammer who’s already researched your name, knows your bank, and has a script ready to sound exactly like someone you’d trust.
But what is the difference between answering confidently and falling into a trap? Knowing how to check this phone number before you pick up!
Our reverse phone lookup platform gives you what Google searches and basic directories can’t: comprehensive caller identification backed by IMDA data, telecom carrier registrations, and real-time community reports from Singaporeans who’ve already encountered that exact number. When you’re asking who is calling me from an unfamiliar landline or seeing yet another mobile number light up your screen, you’ll have actual context instead of blind hope.
We’ve designed this resource around Singapore’s unique phone landscape—compact, efficient, but increasingly exploited by fraudsters who know most people won’t bother checking. You’ll discover how the numbering system works (it’s simpler than you think), which services offer reliable phone number reverse search results, and exactly which warning signs separate legitimate calls from elaborate scams.
Because here’s the thing: your phone should serve you, not stress you out. Look up the number, read what matters, then answer—or don’t—with complete confidence.
| Category | Details |
| Country | 🇸🇬Singapore |
| Country Calling Code | +65 (used for all calls to Singapore) |
| National Trunk Prefix | None (domestic numbers are dialed directly) |
| International Direct Dialing (IDD) | 001 / 002 / 008 (varies by carrier) |
| Number Format | +65 XXXX XXXX (8-digit national format) |
| Example Mobile Number | +65 9123 4567 (standard mobile format) |
| Example Landline Number | +65 6222 3456 (common fixed-line pattern) |
| Area Codes | No geographic area codes (entire nation uses +65) |
| Regulator | Infocomm Media Development Authority (IMDA) |
| Notable Features | Unified numbering plan (no area codes), full mobile portability, mandatory SIM registration, strict anti-spam and “Do Not Call” framework. |
Breakdown of Singapore Telephone Number Formats
Ever realized not all phone numbers are created equal? In Singapore, knowing the difference can save you time and even help you dodge scams. Those first few digits can actually tell you if it’s a mobile, landline, VoIP, or even a toll-free number. It’s a handy way to figure out who might be calling before you even pick up.
Here’s how you can figure it out in three easy steps:
- Look at the first few digits of the phone number.
- Find the prefix range they belong to.
- Check the description to see what kind of number it is.
| Number Type | Prefix / Range | Description |
| Mobile | 8XXX XXXX / 9XXX XXXX | Standard mobile numbers across all carriers. |
| Fixed Line (Landline) | 6XXX XXXX | Geographic-based business and residential numbers. |
| VoIP / Internet-Based | 3XXX XXXX | Digital calling and IP telephony services. |
| Toll-Free | 1800 XXX XXXX | Free calls for customers; used by businesses and public hotlines. |
| Premium-Rate | 1900 XXX XXXX | Paid services such as contests, voting, and subscriptions. |
| Short Codes / Service Numbers | 995 / 999 / 1777 | Emergency and special-purpose short numbers. |
Singapore Mobile Operator Prefix Guide
The first digit of a Singapore mobile number can actually give you a hint about its original carrier. Even though people can switch providers and keep their number, those initial digits still point to the network it started on. This helps you check if a number looks legitimate by seeing if it lines up with official carrier ranges. It’s pretty useful when you’re verifying unfamiliar contacts, trying to spot spam, or just confirming if a message really came from your service provider.
What to do:
- Check the first digit of the mobile number.
- Compare it with the operator range below.
- Use this to double-check if the number is valid and linked to a real provider.
| Prefix (First Digit) | Mobile Operator | Notes |
| 8 | StarHub | One of Singapore’s main network providers; wide coverage. |
| 9 | Singtel | Largest telecom operator with strong domestic and business use. |
| 3 | M1 | Known for fast data speeds and corporate clients. |
| 5 | Circles.Life / MVNOs | Virtual network providers operating on major carriers. |
| 6 | Business VoIP Numbers | Used by digital and cloud-based phone systems. |
How Area Codes Map to Regions in Singapore
Singapore does not use traditional regional area codes; however, landline prefixes can still indicate the type of service or general business usage. Recognizing these can be useful when tracing business numbers, customer support lines, or government offices.
How to identify the number:
- Just check out the first one or two digits of the number.
- Match those with the table below.
- Then, you can figure out the general category or service provider.
| Landline Prefix | Region / Use | Common Sub-Prefixes | Example Number | Description |
| 6 | Fixed-Line (General) | 622, 637, 653 | (65) 6222 3456 | Standard office or residential line. |
| 3 | VoIP / IP Telephony | 310, 315 | (65) 3158 2345 | Business internet telephony service. |
| 1800 | Toll-Free | 1800 333 4444 | (65) 1800 333 4444 | Free for customers; used by helplines. |
| 1900 | Premium Rate | 1900 112 3456 | (65) 1900 112 3456 | Paid content and interactive services. |
Recommended Reverse Number Lookup Tools in Singapore
To figure out who’s calling, your best bet is to use official and verified lookup services. These tools pull together information from phone carriers, user feedback, and public records to give you dependable details about the caller.
How to choose the best one:
- Pick a lookup service that fits what you need (like official records or public info).
- Type in the full number, including +65.
- Check the results for who owns it, what carrier it uses, or what others have reported about it.
| Tool / Website | Type | Description |
| Scannero.io | Reverse Lookup Tool | Global lookup tool offering identity and carrier verification for Singapore numbers. |
| IMDA Numbering Plan | Official Registry | Singapore government resource for numbering allocations and telecom regulation. |
| Whocallsme.com | Community Database | User-contributed reports about unknown or spam callers. |
| YellowPages.com.sg | Business Directory | National directory for verified business contacts. |
| SpamCalls.net | Spam Reporting Platform | International spam reporting database covering Singapore numbers. |
Principles of How Phone Lookup Tools Work
Ever wondered who’s behind that mysterious call? And how does a reverse phone lookup even work? In Singapore, it’s pretty simple: these services basically dig through a bunch of different databases. They link phone numbers to subscriber information, online directories, and even public records. Here’s a quick look at how it all works:
- Phone data gets collected. Some services pull info from official directories, while others scrape user-generated platforms or even social media.
- Your search gets processed. When you type in a phone number, the search engine digs through all those databases to find a match.
- Details pop up. What you see depends on the service – maybe a name, location, or business connected to the number. Pay up, and you might even get social media profiles or past addresses.
Why Results Vary in Accuracy
Not all reverse lookup services are the same, and you might find that some work better for you than others. Here’s a quick look at why that might be:
- Not all numbers are public. Think unlisted numbers or cell phones – they’re just naturally tougher to track down to a specific person.
- Databases can get out of date pretty quickly. If a service hasn’t updated its records in a while, you might end up with old or inaccurate info.
- Caller IDs can be faked. Unfortunately, scammers can “spoof” their numbers to look like they’re coming from a legitimate source, making it tough to know who’s really on the other end.
The main difference often comes down to how many databases a service checks. Single-source platforms tend to have more missing information. That’s where services like Scannero come in handy. They fill in the blanks by looking at telecom data, user reports, and real-time scam alerts, making them a great choice when simpler directories don’t give you the full picture.
Common Scam and Spam Call Patterns in Singapore
Even with Singapore’s strict telecom rules, scammers still find clever ways to trick people. Learning about common scam patterns will help you act quickly and protect your information.
How to protect yourself
- Take a moment to review the indicator and number format.
- Then, try to identify the type of scam.
- And finally, follow our recommendations to stay safe!
| Indicator | Type of Scam/Spam | Example Format | Comment / Recommendation |
| +65 3XXX XXXX | VoIP-based scam calls | +65 3158 9876 | Often spoofed business lines; verify before answering. |
| +65 9XXX XXXX | Fake delivery or payment scams | +65 9123 4567 | Common scam using fake SMS links; never click unknown URLs. |
| +65 6XXX XXXX | Impersonation of local businesses | +65 6222 3456 | May claim to be from banks or telecoms; call official hotlines to confirm. |
| +65 1900 XXXX | Premium-rate call scams | +65 1900 777 888 | Avoid returning calls unless you initiated contact. |
| Unknown Foreign Prefixes | International callback fraud | +234…, +44…, +880… | Hang up immediately; likely international Wangiri scams. |
| Repeated Short Calls | Robocall verification | +65 8132 0000 | Automated systems checking active numbers—do not respond. |
| Spoofed “Police” Calls | Government impersonation | +65 999 or variations | Authorities never ask for payment or personal data by phone. |
Here’s how to stay safe:
- Be skeptical of unexpected calls asking for your personal info, passwords, or Singpass details, it’s probably a scam.
- If you get a call supposedly from your bank’s security team, hang up and dial the bank’s official hotline. Don’t trust any numbers the caller gives you.
- Don’t engage with robocalls or automated messages. Real businesses in Singapore usually don’t use them for important news.
- Be cautious with calls from strange international numbers, especially if they look like local ones. Scammers often spoof these numbers from overseas.
Free Public Directories in Singapore
These directories are the real deal—non-commercial and packed with genuine business and public contact info. They’re super handy for double-checking company numbers or finding out if someone’s officially listed with an organization.
| Directory | Type | Purpose |
| YellowPages.com.sg | Business Directory | Find verified business and service contacts. |
| IMDA Numbering Plan | Government Resource | Official numbering allocation and telecom guidelines. |
| Truecaller.com | Community Lookup | Crowd-sourced spam reporting and caller ID service. |
| Whocallsme.com | Community Forum | Reports of scam and spam calls from real users. |
| SpamCalls.net | Public Listing | Tracks global spam patterns including Singapore. |