045 area code — Heerlen
045 is the telephone area code for Heerlen in Netherlands. Numbers are written internationally as +31 45.
How to call Heerlen
- From abroad
- +31 45 XXX XXXX
- Within Netherlands
- 045 XXX XXXX
- Country calling code
- +31
About the 045 area code
Dialed within Netherlands as 045, this code is written internationally as +31 45 followed by the subscriber's local number.
Area codes like 045 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 Heerlen?
Heerlen uses the area code 045, written internationally as +31 45.
How do I call Heerlen from another country?
Dial your international access code, then +31 45, then the local number — dropping the national leading 0.
What time is it in Heerlen?
Heerlen is in the Europe/Amsterdam time zone; the live clock above shows the current local time.
Is 045 a mobile or a landline code?
045 is a geographic (landline) area code for Heerlen. Mobile numbers in Netherlands use their own separate prefixes.