Area Code +31-15-(7770000...7779999) 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 : 7770000 Subscriber Number To : 7779999 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 : 4tele.com 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-(7676000...7676999) next › : +31-15-(7800000...7809999) Dialling Instructions For trunk calls: 0 15 7770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 7770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7770000 ~ 7779999 (Count: 10,000) Example: +31-15-7770000 / 0031-15-7770000 (015-7770000 / 0-15-7770000) +31-15-7770001 / 0031-15-7770001 (015-7770001 / 0-15-7770001) +31-15-7770002 / 0031-15-7770002 (015-7770002 / 0-15-7770002) +31-15-7770003 / 0031-15-7770003 (015-7770003 / 0-15-7770003) +31-15-7770004 / 0031-15-7770004 (015-7770004 / 0-15-7770004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-7779995 / 0031-15-7779995 (015-7779995 / 0-15-7779995) +31-15-7779996 / 0031-15-7779996 (015-7779996 / 0-15-7779996) +31-15-7779997 / 0031-15-7779997 (015-7779997 / 0-15-7779997) +31-15-7779998 / 0031-15-7779998 (015-7779998 / 0-15-7779998) +31-15-7779999 / 0031-15-7779999 (015-7779999 / 0-15-7779999)
