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Reverse Phone Lookup in the Netherlands — Recent Community Reports

Check unknown Dutch numbers with recent community reports (Amsterdam, Rotterdam, The Hague, Utrecht, Eindhoven) and share your experience.

Unknown calls in the Netherlands

Unsure about a Dutch number? Here you can browse concise reports from the community to judge unfamiliar calls and texts. Around Amsterdam, Rotterdam, The Hague (Den Haag), Utrecht and Eindhoven you will see a mix of legitimate callbacks (deliveries, banking, appointments) alongside robocalls or phishing waves. Classic geographic prefixes like 020 (Amsterdam), 010 (Rotterdam), 070 (Den Haag), 030 (Utrecht) and 040 (Eindhoven), as well as mobile ranges (06), no longer prove location or caller identity because of portability and VoIP — treat them as context only.

Verification basics: return calls via the official number listed on the company website/app, check in‑app messages, and never share one‑time codes over the phone. Use device/carrier blocking for repeat offenders and add a short, factual note here (caller type, purpose, date, cues) so others can benefit from your experience.

31651984390 Company Klussenbedrijf Beekink

Apparently its Klussenbedrijf Beekink located at Beuningen, Gelderland

31307007901 Financial Openbank

This is Open Bank

31307007901 Financial Openbank

Call from Openbank regarding the verification of a newly opened account

31307007901 Safe

Excellant helpdesk experiance!

31307007901 Customer Service Openbank

This is the Openbank service desk.

31307007901 Financial Openbank

This is the phone number of my bank, Openbank

31307007901 Spam

Suspicious activity suggests this unknown number may be spam-related

31307007901 Financial Openbank

Most likely another call from Openbank regarding robo-investing

31621873598 Company Glazenwasserij de Groot

Glass cleaning services from De Groot in Loenen aan De Vecht

3250457045 Company A. Lanckriet NV

This number belong to A Lanckriet NV, not sure whats that

31242090394 Telemarketing KPN Zakelijk

The call was from KPN Zakelijk.

31242090394 Telemarketing KPN

KPN seems to be searching for new customers.

31242090394 Unknown

Upon calling back, the phone was hung up, what a waste of time.

31242090394 Silent Call

Als je opneemt zeggen ze niets

31242090394 Spam

These spammers disconnected the call without saying a word, absolutely infuriating!

31242090394 Other

Avoid this nummer at all cost, its compleatly usless

31242090394 Spam KPN

This is a spam call allegedly made on behalf of KPN

31242090394 Silent Call

The call was answered, but there was no response, and the connection was terminated.

31242090394 Unknown

Once again, the call was not answered, which is starting to resemble stalking; beware

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FAQ — Netherlands

How do I verify Dutch callers?

Call back using the official number from the company website/app, not the unknown number; check in‑app notices.

Do prefixes prove location?

No. Portability/VoIP mean 020/010/070/030/040 and 06 are not reliable evidence of origin.

What patterns are common?

Delivery and appointment confirmations, bank callbacks, 2FA codes; also parcel/account phishing and scripted sales calls.

What helps others in a report?

Be brief and practical: caller type, purpose, date, and hints that guided your decision.

Popular area codes

Most-reported area codes in Netherlands. View all area codes at the bottom.
010 013 015 020 023 024 026 030 033 035 036 038 040 043 045 046 050 053 055 058 070 071 072 073 074 075 076 077 078 079 0111 0113 0114 0115 0117 0118 0161 0162 0164 0165 0166 0167 0168 0172 0174 0180 0181 0182 0183 0184
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