Area Code +31-15-(7470000...7470999) 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 : 7470000 Subscriber Number To : 7470999 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 : Signet 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-(7450000...7450999) next › : +31-15-(7500000...7509999) Dialling Instructions For trunk calls: 0 15 7470000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 7470000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7470000 ~ 7470999 (Count: 1,000) Example: +31-15-7470000 / 0031-15-7470000 (015-7470000 / 0-15-7470000) +31-15-7470001 / 0031-15-7470001 (015-7470001 / 0-15-7470001) +31-15-7470002 / 0031-15-7470002 (015-7470002 / 0-15-7470002) +31-15-7470003 / 0031-15-7470003 (015-7470003 / 0-15-7470003) +31-15-7470004 / 0031-15-7470004 (015-7470004 / 0-15-7470004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-7470995 / 0031-15-7470995 (015-7470995 / 0-15-7470995) +31-15-7470996 / 0031-15-7470996 (015-7470996 / 0-15-7470996) +31-15-7470997 / 0031-15-7470997 (015-7470997 / 0-15-7470997) +31-15-7470998 / 0031-15-7470998 (015-7470998 / 0-15-7470998) +31-15-7470999 / 0031-15-7470999 (015-7470999 / 0-15-7470999)