Area Code +31-906-(0399...0399) located in Premium rate - adult content, more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 906 Subscriber Number From : 0399 Subscriber Number To : 0399 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 7 Number Type : S (Special) Carrier Name : L&F Services B.V. Click here to buy Netherlands Area Code Database Other Information Language Code : nl (Dutch) Country Number : 528 (Netherlands) Country Code : NL (Netherlands) City : Premium rate - adult content Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 7 Latitude : 52.3700 Longitude : 4.9000 ‹ previous : +31-906-(0369...0369) next › : +31-906-(0400001...0400001) Dialling Instructions For trunk calls: 0 906 0399 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 906 0399 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0399 ~ 0399 (Count: 1) Example: +31-906-0399 / 0031-906-0399 (0906-0399 / 0-906-0399)