Netherlands · NLD
Heerlen dialing code
Heerlen · Heerlen
Dialing code
+31 45
From abroad
+31 45 123-4567
Dial +31, then the city code 45, then the phone number without the leading zero.
Within the country
045 123-4567
Dial 045 followed by the phone number.
How to call Heerlen?
To call Heerlen in Netherlands from abroad, dial the international code +31, followed by the city code 45, then the local number without the leading zero.