Contact

Opening hours of public counters at the NBS headquarters:
Monday – Friday: 7.30 a.m. – 12 noon
List and addresses of regional offices

Mailroom:
Monday – Thursday: 8.00 a.m. – 4 p.m.
Friday: 8.00 a.m. – 2.45 p.m.
In July and August is the Mailroom open from 8.00 a.m. to 2.30 p.m.

NBS Archives:
Tuesday – Thursday: 9.00 a.m. – 12 noon; 12.45 p.m. – 3.00 p.m.
In July, August and September the Archives are closed to the public.