Area Code +31-85-(1230000...1239999) 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 : 1230000 Subscriber Number To : 1239999 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 : The Sound of Data 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 : 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-(1110000...1119999) next › : +31-85-(2000000...2009999) Dialling Instructions For trunk calls: 0 85 1230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 85 1230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1230000 ~ 1239999 (Count: 10,000) Example: +31-85-1230000 / 0031-85-1230000 (085-1230000 / 0-85-1230000) +31-85-1230001 / 0031-85-1230001 (085-1230001 / 0-85-1230001) +31-85-1230002 / 0031-85-1230002 (085-1230002 / 0-85-1230002) +31-85-1230003 / 0031-85-1230003 (085-1230003 / 0-85-1230003) +31-85-1230004 / 0031-85-1230004 (085-1230004 / 0-85-1230004) ...+31-85-xxxxxxx / 0031-85-xxxxxxx (085-xxxxxxx / 0-85-xxxxxxx) ...+31-85-1239995 / 0031-85-1239995 (085-1239995 / 0-85-1239995) +31-85-1239996 / 0031-85-1239996 (085-1239996 / 0-85-1239996) +31-85-1239997 / 0031-85-1239997 (085-1239997 / 0-85-1239997) +31-85-1239998 / 0031-85-1239998 (085-1239998 / 0-85-1239998) +31-85-1239999 / 0031-85-1239999 (085-1239999 / 0-85-1239999)