Area Code +31-85-(6660000...6669999) located in VoIP - Basic Rate, more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 85 Subscriber Number From : 6660000 Subscriber Number To : 6669999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : Voiped C.V. Click here to buy Netherlands Area Code Database Other Information Language Code : nl (Dutch) Country Number : 528 (Netherlands) Country Code : NL (Netherlands) City : VoIP - Basic Rate Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.3700 Longitude : 4.9000 ‹ previous : +31-85-(6000000...6009999) next › : +31-85-(7110000...7119999) Dialling Instructions For trunk calls: 0 85 6660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 85 6660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6660000 ~ 6669999 (Count: 10,000) Example: +31-85-6660000 / 0031-85-6660000 (085-6660000 / 0-85-6660000) +31-85-6660001 / 0031-85-6660001 (085-6660001 / 0-85-6660001) +31-85-6660002 / 0031-85-6660002 (085-6660002 / 0-85-6660002) +31-85-6660003 / 0031-85-6660003 (085-6660003 / 0-85-6660003) +31-85-6660004 / 0031-85-6660004 (085-6660004 / 0-85-6660004) ...+31-85-xxxxxxx / 0031-85-xxxxxxx (085-xxxxxxx / 0-85-xxxxxxx) ...+31-85-6669995 / 0031-85-6669995 (085-6669995 / 0-85-6669995) +31-85-6669996 / 0031-85-6669996 (085-6669996 / 0-85-6669996) +31-85-6669997 / 0031-85-6669997 (085-6669997 / 0-85-6669997) +31-85-6669998 / 0031-85-6669998 (085-6669998 / 0-85-6669998) +31-85-6669999 / 0031-85-6669999 (085-6669999 / 0-85-6669999)