015 area code — Delft
015 is the telephone area code for Delft in Netherlands. Numbers are written internationally as +31 15.
How to call Delft
- From abroad
- +31 15 XXX XXXX
- Within Netherlands
- 015 XXX XXXX
- Country calling code
- +31
About the 015 area code
Dialed within Netherlands as 015, this code is written internationally as +31 15 followed by the subscriber's local number.
Area codes like 015 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 Delft?
Delft uses the area code 015, written internationally as +31 15.
How do I call Delft from another country?
Dial your international access code, then +31 15, then the local number — dropping the national leading 0.
What time is it in Delft?
Delft is in the Europe/Amsterdam time zone; the live clock above shows the current local time.
Is 015 a mobile or a landline code?
015 is a geographic (landline) area code for Delft. Mobile numbers in Netherlands use their own separate prefixes.