Area Code +31-15-(8900000...8909999) 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 : 8900000 Subscriber Number To : 8909999 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 : Ziggo Zakelijk Services 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-(8890000...8899999) next › : +31-161-(200000...200999) Dialling Instructions For trunk calls: 0 15 8900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 8900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8900000 ~ 8909999 (Count: 10,000) Example: +31-15-8900000 / 0031-15-8900000 (015-8900000 / 0-15-8900000) +31-15-8900001 / 0031-15-8900001 (015-8900001 / 0-15-8900001) +31-15-8900002 / 0031-15-8900002 (015-8900002 / 0-15-8900002) +31-15-8900003 / 0031-15-8900003 (015-8900003 / 0-15-8900003) +31-15-8900004 / 0031-15-8900004 (015-8900004 / 0-15-8900004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-8909995 / 0031-15-8909995 (015-8909995 / 0-15-8909995) +31-15-8909996 / 0031-15-8909996 (015-8909996 / 0-15-8909996) +31-15-8909997 / 0031-15-8909997 (015-8909997 / 0-15-8909997) +31-15-8909998 / 0031-15-8909998 (015-8909998 / 0-15-8909998) +31-15-8909999 / 0031-15-8909999 (015-8909999 / 0-15-8909999)