Area Code +31-15-(2150000...2159999) 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 : 2150000 Subscriber Number To : 2159999 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 : KPN 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-(2140000...2149999) next › : +31-15-(2160000...2169999) Dialling Instructions For trunk calls: 0 15 2150000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 2150000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2150000 ~ 2159999 (Count: 10,000) Example: +31-15-2150000 / 0031-15-2150000 (015-2150000 / 0-15-2150000) +31-15-2150001 / 0031-15-2150001 (015-2150001 / 0-15-2150001) +31-15-2150002 / 0031-15-2150002 (015-2150002 / 0-15-2150002) +31-15-2150003 / 0031-15-2150003 (015-2150003 / 0-15-2150003) +31-15-2150004 / 0031-15-2150004 (015-2150004 / 0-15-2150004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-2159995 / 0031-15-2159995 (015-2159995 / 0-15-2159995) +31-15-2159996 / 0031-15-2159996 (015-2159996 / 0-15-2159996) +31-15-2159997 / 0031-15-2159997 (015-2159997 / 0-15-2159997) +31-15-2159998 / 0031-15-2159998 (015-2159998 / 0-15-2159998) +31-15-2159999 / 0031-15-2159999 (015-2159999 / 0-15-2159999)