Area Code +31-15-(7650000...7659999) 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 : 7650000 Subscriber Number To : 7659999 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 : CBizz 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-(7640000...7640999) next › : +31-15-(7676000...7676999) Dialling Instructions For trunk calls: 0 15 7650000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 7650000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7650000 ~ 7659999 (Count: 10,000) Example: +31-15-7650000 / 0031-15-7650000 (015-7650000 / 0-15-7650000) +31-15-7650001 / 0031-15-7650001 (015-7650001 / 0-15-7650001) +31-15-7650002 / 0031-15-7650002 (015-7650002 / 0-15-7650002) +31-15-7650003 / 0031-15-7650003 (015-7650003 / 0-15-7650003) +31-15-7650004 / 0031-15-7650004 (015-7650004 / 0-15-7650004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-7659995 / 0031-15-7659995 (015-7659995 / 0-15-7659995) +31-15-7659996 / 0031-15-7659996 (015-7659996 / 0-15-7659996) +31-15-7659997 / 0031-15-7659997 (015-7659997 / 0-15-7659997) +31-15-7659998 / 0031-15-7659998 (015-7659998 / 0-15-7659998) +31-15-7659999 / 0031-15-7659999 (015-7659999 / 0-15-7659999)