Area Code +31-15-(3333000...3333999) located in Delft, Zuid-Holland (ZH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 15 Subscriber Number From : 3333000 Subscriber Number To : 3333999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : OneXS Nederland B.V. Click here to buy Netherlands Area Code Database Other Information Language Code : nl (Dutch) Country Number : 528 (Netherlands) Country Code : NL (Netherlands) Region Code : ZH Region Name : Zuid-Holland City : Delft Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.0100 Longitude : 4.3600 ‹ previous : +31-15-(3100000...3109999) next › : +31-15-(3610000...3619999) Dialling Instructions For trunk calls: 0 15 3333000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 3333000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3333000 ~ 3333999 (Count: 1,000) Example: +31-15-3333000 / 0031-15-3333000 (015-3333000 / 0-15-3333000) +31-15-3333001 / 0031-15-3333001 (015-3333001 / 0-15-3333001) +31-15-3333002 / 0031-15-3333002 (015-3333002 / 0-15-3333002) +31-15-3333003 / 0031-15-3333003 (015-3333003 / 0-15-3333003) +31-15-3333004 / 0031-15-3333004 (015-3333004 / 0-15-3333004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-3333995 / 0031-15-3333995 (015-3333995 / 0-15-3333995) +31-15-3333996 / 0031-15-3333996 (015-3333996 / 0-15-3333996) +31-15-3333997 / 0031-15-3333997 (015-3333997 / 0-15-3333997) +31-15-3333998 / 0031-15-3333998 (015-3333998 / 0-15-3333998) +31-15-3333999 / 0031-15-3333999 (015-3333999 / 0-15-3333999)