NL

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.

31103180023 Telemarketing Greenchoice

Apparently, they need to meet their targets again, which is why they've started bothering me multiple times a day from the number 0103180023. Can't they understand I'm no longer a customer?! Don't forget to review them at https://nl.trustpilot.com/evaluate/greenchoice.nl

31613543715 Advertising

Recieved a call from a robotic voice stating they had recieved my cv, which wasnt from me ofcourse.

31634223526 Company Glas-Z.

Glas-Z in Zeist is the compagny behind this

31621261172 Financial 5NN - Financial Control Services

Believed to be 5NN - Financial Control Services based in Amsterdam

31243571060 Company Plus

It's from Plus, you can check their website www.plus.nl

31857325590 Scam

Bunch of boevenbende crooks

31857325590 Company Facto

Apparently, the number belogs to Facto (www.facto.nl), they offer discount's for alot of internet purchase, but you have to pay €47 first for a year, thats just ridiculouse

31402306333 Spam

They are spamming and calling at inappropriate times like evening hours

31532012217 Advertising

On November 22nd, a new wave of spam calls started. Block the number, as they try to make money by selling subscriptions.

31299746576 Company Global Web Systems

Associated with Global Web Systems in Volendam

31651451856 Company Handelsonderneming Rengers

Business listing for Handelsonderneming Rengers in Nieuw-Weerdinge

31102734777 Company Villa Parket Schiedam

Associated with Villa Parket Schiedam

31433636297 Company Stardesign Maastricht

Located in Maastricht, it's Stardesign

31113330147 Company Coöp. Prod.org.

Cooperative Production Organization of the Dutch Cockle Fishery UA (Kapelle)

31534864704

Also received a call, didn't answer after reading these comments, possibly related to an investigation that was also offered in writing

31534864704 Harassment Call

Het is erg irritant dat ze blijven bellen, zelfs als je in het belmenietregister staat, dit is zee storend

31534864704 Survey I&O Research

This number appears to be one of many used by I&O Research, with offices in Eschede and Amsterdam, and is associated with particularly annoying practices, including a lack of anonymity in their surveys.

31534864704 Unknown

This number called my 14-year-old son's mobile phone

31534864704 Survey Onderzoeksbureau

It's another research bureau, they calls me even though i'm not register in the call list!

31534864704 Harassment Call

I get call 5 time a day from this number, its irritating

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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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