Send a message
At BLOS we’re more than happy to help you! If you have a question, comment, suggestion or want to report a change, you can do so using the form below. You can also send an e-mail directly to firstname.lastname@example.org. You will receive a response from us within 2 days!
Do you have any questions about registering, exchanging, the app or the BLOS policy? You might find the answer on our page with frequently asked questions.
Couldn’t find the answer to your question or would you rather ask your question in person? Please contact us via phone or e-mail.
Postbus (P.O. box) 50
3430 AB Nieuwegein
030 604 75 99
Visiting address Central Office
Iepenhoeve 9 B
3438 MR Nieuwegein
We are available on weekdays from 08:00 AM to 6:30 PM
BLOS childcare Apeldoorn
7314 LL Apeldoorn
055 355 55 77
We are available on weekdays from 08:00 AM to 6:00 PM
BLOS childcare Leiden, Sassenheim en Voorschoten
2171 GT Sassenheim
0252 21 38 76
We are available on weekdays from 09:00 AM to 5:00 PM