Area Code +31-15-(3040000...3049999) 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 : 3040000 Subscriber Number To : 3049999 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 : Radik 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-(3030000...3030999) next › : +31-15-(3060000...3060999) Dialling Instructions For trunk calls: 0 15 3040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 3040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3040000 ~ 3049999 (Count: 10,000) Example: +31-15-3040000 / 0031-15-3040000 (015-3040000 / 0-15-3040000) +31-15-3040001 / 0031-15-3040001 (015-3040001 / 0-15-3040001) +31-15-3040002 / 0031-15-3040002 (015-3040002 / 0-15-3040002) +31-15-3040003 / 0031-15-3040003 (015-3040003 / 0-15-3040003) +31-15-3040004 / 0031-15-3040004 (015-3040004 / 0-15-3040004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-3049995 / 0031-15-3049995 (015-3049995 / 0-15-3049995) +31-15-3049996 / 0031-15-3049996 (015-3049996 / 0-15-3049996) +31-15-3049997 / 0031-15-3049997 (015-3049997 / 0-15-3049997) +31-15-3049998 / 0031-15-3049998 (015-3049998 / 0-15-3049998) +31-15-3049999 / 0031-15-3049999 (015-3049999 / 0-15-3049999)