Check unknown Dutch numbers with recent community reports (Amsterdam, Rotterdam, The Hague, Utrecht, Eindhoven) and share your experience.
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.
They calld twice today, didnt bother to call back, number wasnt in use and connnection was terminated.
I also recived a call from this number, and then an other number called me 30 minits later, dont call back or you will be charged
Associated with R.H.A. Stallinga from Maastricht
Hondenuitlaatservice Stabij is based in Utrecht
Gastouderopvang het Kanarietje is located in Vlissingen
Never answered
Received an SMS with a suspicious link from this number for a package I never ordered
Malicius software can be installd on your phone if you click on the link in the sms, beware of this phishing scam! https://nos.nl/l/2382399
Identified as Muziekcentrum Wijnholds in Den Helder
Supposedly H.C.B. Quotum B.V. is located in Kootwijkerbroek
This number belongs to Voegbedrijf Roubos en Zoon, located in Buitenkaag
Career advice and coaching service in Zwolle: ZIJN Loopbaanadvies & Coaching
Received a call from Dierenlantijnen in Bleiswijk
The company associated with this number is Hoogen Security BV
This is SSR Smit Special Repairs from Elburg apparently
Located at Bussum, Nooks Interior
This number is asociated with U. Bruseker (Noordwolde, Friesland)
Associated with Angelslo (www.obs-angelslo.nl).
Company based in Utrecht, identified as Belasdo B.V.
Company based in Harmelen, MCCM Meeting Management B.V.
Call back using the official number from the company website/app, not the unknown number; check in‑app notices.
No. Portability/VoIP mean 020/010/070/030/040 and 06 are not reliable evidence of origin.
Delivery and appointment confirmations, bank callbacks, 2FA codes; also parcel/account phishing and scripted sales calls.
Be brief and practical: caller type, purpose, date, and hints that guided your decision.