Donatz Financieel Interim- management is the companie (Leiderdorp)
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.
This number is belong to Logopediepraktijk Stijntje H. Verdoold from Middelburg
Persistent and annoying telemarketing from Ziggo
Customer service for Ziggo
Related to Ziggo
Everything seems fine with Ziggo
Ik ontving een aanbod van een Ziggo medewerker voor een verlengingskorting.
31435690203
Harassment Call
Daily calls are made, followed by voicemails, despite blocking the number
When returning the call, no company name is provided, and the pitch seems vague, offering a year-long contract extension with Ziggo. It's suspicious that the only way to get a discount is through a phone call, as it's not available in the app or anywhere else.
Dit is een callcenter dat probeert nieuwe contracten aan te bieden voor Ziggo. Het is niet mogelijk om ze tegen te houden. Als huidige abonnee van Ziggo overweeg ik om over te stappen naar KPN om van deze telefoonterreur verlost te raken
Extension department for Ziggo
31435690203
Harassment Call
Dit nummer is gevaarlijk en komt herhaaldelijk terug
31435690203
Company
Received a nice discount on contract renewal, thanks!
Seems to be related to Bloemisterij 't Blumke in Dodewaard
31103180023
Harassment Call
This number calles daily, somtimes multiple times a day, even late at nigt after 9 pm, funy thing is that if you dont anser the cal, it lasts exacly 27 secounds, thats how i recofnize them when they cal again from a diffrent 010 number
These are Greenchoice sales representatives trying to offer a contract
Gelukkig heb ik het gesprek van Greenchoice gemist
The caller tried to deceive me with a fake story about cable maintenance to sell an internet subscription, which is a scam.
Despite being a former customer of Greenchoice and having lived abroad for 8 years, they promised to remove me from their system but contacted me again today, which I find extremely irritating.
This number is associated with Dennis Velzeboer Stucadoors- & Schilderwerken, based in Castricum
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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.