033 area code — Amersfoort
Phone numbers in Amersfoort, Netherlands use the area code 033. Numbers are written internationally as +31 33.
How to call Amersfoort
- From abroad
- +31 33 XXX XXXX
- Within Netherlands
- 033 XXX XXXX
- Country calling code
- +31
About the 033 area code
Locally the code appears as 033; from outside Netherlands you replace the leading 0 with +31 33.
Area codes like 033 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local Netherlands number. To actually receive an SMS on a Netherlands number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Amersfoort?
Amersfoort uses the area code 033, written internationally as +31 33.
How do I call Amersfoort from another country?
Dial your international access code, then +31 33, then the local number — dropping the national leading 0.
What time is it in Amersfoort?
Amersfoort is in the Europe/Amsterdam time zone; the live clock above shows the current local time.
Is 033 a mobile or a landline code?
033 is a geographic (landline) area code for Amersfoort. Mobile numbers in Netherlands use their own separate prefixes.