Area Code +31-15-(7920000...7920999) 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 : 7920000 Subscriber Number To : 7920999 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 : Blu Telecom 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-(7910000...7910999) next › : +31-15-(7979000...7979999) Dialling Instructions For trunk calls: 0 15 7920000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 7920000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7920000 ~ 7920999 (Count: 1,000) Example: +31-15-7920000 / 0031-15-7920000 (015-7920000 / 0-15-7920000) +31-15-7920001 / 0031-15-7920001 (015-7920001 / 0-15-7920001) +31-15-7920002 / 0031-15-7920002 (015-7920002 / 0-15-7920002) +31-15-7920003 / 0031-15-7920003 (015-7920003 / 0-15-7920003) +31-15-7920004 / 0031-15-7920004 (015-7920004 / 0-15-7920004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-7920995 / 0031-15-7920995 (015-7920995 / 0-15-7920995) +31-15-7920996 / 0031-15-7920996 (015-7920996 / 0-15-7920996) +31-15-7920997 / 0031-15-7920997 (015-7920997 / 0-15-7920997) +31-15-7920998 / 0031-15-7920998 (015-7920998 / 0-15-7920998) +31-15-7920999 / 0031-15-7920999 (015-7920999 / 0-15-7920999)