Area Code +31-15-(2400000...2400999) 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 : 2400000 Subscriber Number To : 2400999 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 : GnTel 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-(2190000...2199999) next › : +31-15-(2401000...2401999) Dialling Instructions For trunk calls: 0 15 2400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 2400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2400000 ~ 2400999 (Count: 1,000) Example: +31-15-2400000 / 0031-15-2400000 (015-2400000 / 0-15-2400000) +31-15-2400001 / 0031-15-2400001 (015-2400001 / 0-15-2400001) +31-15-2400002 / 0031-15-2400002 (015-2400002 / 0-15-2400002) +31-15-2400003 / 0031-15-2400003 (015-2400003 / 0-15-2400003) +31-15-2400004 / 0031-15-2400004 (015-2400004 / 0-15-2400004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-2400995 / 0031-15-2400995 (015-2400995 / 0-15-2400995) +31-15-2400996 / 0031-15-2400996 (015-2400996 / 0-15-2400996) +31-15-2400997 / 0031-15-2400997 (015-2400997 / 0-15-2400997) +31-15-2400998 / 0031-15-2400998 (015-2400998 / 0-15-2400998) +31-15-2400999 / 0031-15-2400999 (015-2400999 / 0-15-2400999)