Area Code +31-15-(7910000...7910999) 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 : 7910000 Subscriber Number To : 7910999 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 : ZakelijkeNummers.nl 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-(7900000...7900999) next › : +31-15-(7920000...7920999) Dialling Instructions For trunk calls: 0 15 7910000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 7910000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7910000 ~ 7910999 (Count: 1,000) Example: +31-15-7910000 / 0031-15-7910000 (015-7910000 / 0-15-7910000) +31-15-7910001 / 0031-15-7910001 (015-7910001 / 0-15-7910001) +31-15-7910002 / 0031-15-7910002 (015-7910002 / 0-15-7910002) +31-15-7910003 / 0031-15-7910003 (015-7910003 / 0-15-7910003) +31-15-7910004 / 0031-15-7910004 (015-7910004 / 0-15-7910004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-7910995 / 0031-15-7910995 (015-7910995 / 0-15-7910995) +31-15-7910996 / 0031-15-7910996 (015-7910996 / 0-15-7910996) +31-15-7910997 / 0031-15-7910997 (015-7910997 / 0-15-7910997) +31-15-7910998 / 0031-15-7910998 (015-7910998 / 0-15-7910998) +31-15-7910999 / 0031-15-7910999 (015-7910999 / 0-15-7910999)