Also formatted as 20 22 21 31
Community verdict
No community reports on file. Help others by sharing what you know.
+352 20 22 21 31 is a valid VoIP number in Luxembourg in Luxembourg. No community reports have been filed on this number yet — if you've received a call from it, sharing what you know helps the next person.
Voice-over-IP numbers route calls over the internet instead of Luxembourg's traditional telephone network. They're commonly used by remote workers, distributed businesses, and softphone apps — the geographic location of the number rarely reflects where the user actually is.
To call Luxembourg from abroad, dial your country's international prefix (often 00 or +), then 352, then the rest of the number — dropping any leading 0 if present.
It's 9:26 PM on Wednesday at night in this timezone (Europe/Luxembourg, Luxembourg).
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+352 20 22 21 31 is a VoIP number registered in Luxembourg. No one has identified the caller in our community database yet — if you've received a call, sharing what you know helps the next person.
No spam signal — +352 20 22 21 31 hasn't been reported to CallTracer yet. Caller-ID services like ours can only flag a number once the community starts reporting it.
If you're not expecting a call from Luxembourg, the safer move is to let it go to voicemail. Most legitimate callers leave a message; spam or scam callers usually hang up.
+352 20 22 21 31 is a VoIP phone number registered in Luxembourg. The +352 country code belongs to Luxembourg.
The carrier behind +352 20 22 21 31 isn't published by Luxembourg's telecom regulator. We do know the number is registered to a VoIP range in Luxembourg.
On iPhone, open the call log, tap the (i) next to +352 20 22 21 31, scroll down and choose Block this Caller. On Android, open the Phone app's call history, tap the number, and choose Block / report spam. To help others, [report the call on CallTracer](https://calltracer.io/number/35220222131) — every report sharpens the spam score for the next person who looks it up.
The same lookup is available as JSON for agents, apps, and integrations. No API key needed for anonymous use; pass an Authorization: Bearer … header for higher rate limits.
curl https://calltracer.io/api/lookup/35220222131Response shape: number, country, country_iso, number_type, carrier, location, timezones, reports.{total, spam_score, last_reported_at}. See /llms.txt for the full reference.