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31381277 Singapore Phone Number Lookup

Singapore phone number — identity unknown

The number +65 3138 1277 is a Singapore voip / internet number. The available prefix data points to Singapore VoIP range as the operator for this range. Within the 31 prefix on WhoseNo, 0% of tracked reports lean legitimate while 47% describe unwanted, spam, or scam behavior. Pattern note: VoIP Spoofing Risk. Singapore VoIP ranges are used by legitimate services, but scammers also favor internet-based lines because they are easy to provision.

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+65 3138 1277 · Singapore
The number +65 3138 1277 is a Singapore voip / internet number. The available prefix data points to Singapore VoIP range as the operator for this range. Within the 31 prefix on WhoseNo, 0% of tracked reports lean legitimate while 47% describe unwanted, spam, or scam behavior. Pattern note: VoIP Spoofing Risk. Singapore VoIP ranges are used by legitimate services, but scammers also favor internet-based lines because they are easy to provision.
Country Singapore (+65)
Line Type VoIP / Internet Number This prefix is used for internet-based calling in Singapore. VoIP lines are common for businesses and call centers, but they are also easier to obtain and are more frequently associated with robocalls or spoofing.
Carrier Singapore VoIP range Prefix-based carrier data can change after number portability.
Number Formats 31381277 3138 1277 +65 3138 1277 +6531381277 3138-1277
Safety Score
Likely Safe
175 total reports · 135 safe · 40 spam/scam + Report Number
Validity Length matches the expected Singapore numbering plan
Views 1,279 lookups

Risk Assessment

Signals WhoseNo can infer from the number structure, nearby reports, and known scam patterns

Use Caution (61/100)

This number has some risk indicators, but not enough evidence to classify it as outright malicious.

45 Prefix Reports
47% Negative Share
Increasing Prefix Trend
  • VoIP numbers are more commonly used by automated or disposable calling systems.
  • VoIP Spoofing Risk
  • The surrounding prefix shows more negative than positive reporting patterns.

Known Pattern Matches

  • VoIP Spoofing Risk: Singapore VoIP ranges are used by legitimate services, but scammers also favor internet-based lines because they are easy to provision.

What To Do

Be cautious with urgent requests, payment instructions, or identity checks.

Unknown · 24% Scam suspicion · 18% Other · 13%

Community Reports for 31381277

Showing 1-2 of 2 community reports about this Singapore number

Add Your Report
Anonymous (Singapore, Singapore)
3 days ago · Apr 11, 2026 at 01:09 PM +08
Spam / Robocall

Spam / Robocall

Anonymous (Singapore, Singapore)
5 days ago · Apr 9, 2026 at 08:58 PM +08
Spam / Robocall

Spam / Robocall

Singapore Activity

Recent reporting patterns across WhoseNo for this country.

37 Reports In 7 Days
53 Reports In 30 Days
  • Scam suspicion (21%)
  • Debt collector (21%)
  • Marketing / Telemarketer (9%)
60502262 · 5 reports 63505271 · 3 reports 69733623 · 3 reports

Frequently Asked Questions

Everything you need to know about 31381277

3138 1277 is a Singapore voip / internet number with country code +65. The number prefix is associated with Singapore VoIP range. WhoseNo has 2 community reports for this number.

Review the community reports above for first-hand feedback from people who were contacted by this number. Across the wider 31 range, about 47% of tracked reports are negative. It also matches the pattern "VoIP Spoofing Risk". Use ScamShield and verify any urgent payment or identity request through official channels.

The prefix suggests the number was originally issued to Singapore VoIP range (VoIP).

3138 1277 belongs to Singapore (country code +65). This country does not use area codes in a way that reveals a narrower location from the number alone.

3138 1277 is classified as a voip / internet number. This prefix is used for internet-based calling in Singapore. VoIP lines are common for businesses and call centers, but they are also easier to obtain and are more frequently associated with robocalls or spoofing.

Review the reports above before calling back. If multiple users describe spam, fraud, or identity checks, treat the call as suspicious.

On iPhone, open Phone > Recents, tap the info icon next to 3138 1277, then choose Block this Caller. On Android, open the Phone app, select the call, open the menu, and choose Block or Report spam. VoIP nuisance calls can be blocked from the device and reported through ScamShield. Use the ScamShield app or scamshield.gov.sg to check and report suspicious calls, and call the 24/7 ScamShield Helpline at 1799 if unsure. If money, Singpass credentials, or banking details were exposed, contact your bank and file a police report immediately.

To call 3138 1277 from outside Singapore, dial your international access code or +, then 65, then the national number: +65 3138 1277

How To Block This Number

Device steps plus any carrier or regulator guidance available for this number

Quick Advice

Use your device’s built-in blocking tools first, then escalate to your operator or regulator if the calls continue.

iPhone On iPhone: Phone > Recents > tap the info icon beside the number > Block this Caller.
Android On Android: open Phone > tap the call > More options > Block or Report spam.

Network / Regulator Options

Carrier-specific VoIP nuisance calls can be blocked from the device and reported through ScamShield.
Complaint channel Use the ScamShield app or scamshield.gov.sg to check and report suspicious calls, and call the 24/7 ScamShield Helpline at 1799 if unsure. If money, Singpass credentials, or banking details were exposed, contact your bank and file a police report immediately.

Lookup Summary

3138 1277 is listed on WhoseNo as a Singapore voip / internet number. The prefix is associated with Singapore VoIP range. WhoseNo currently shows 2 reports for this number.

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