Area Code +31-15-(8110000...8119999) 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 : 8110000 Subscriber Number To : 8119999 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 : Scarlet N.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-(8100000...8100999) next › : +31-15-(8200000...8200999) Dialling Instructions For trunk calls: 0 15 8110000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 8110000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8110000 ~ 8119999 (Count: 10,000) Example: +31-15-8110000 / 0031-15-8110000 (015-8110000 / 0-15-8110000) +31-15-8110001 / 0031-15-8110001 (015-8110001 / 0-15-8110001) +31-15-8110002 / 0031-15-8110002 (015-8110002 / 0-15-8110002) +31-15-8110003 / 0031-15-8110003 (015-8110003 / 0-15-8110003) +31-15-8110004 / 0031-15-8110004 (015-8110004 / 0-15-8110004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-8119995 / 0031-15-8119995 (015-8119995 / 0-15-8119995) +31-15-8119996 / 0031-15-8119996 (015-8119996 / 0-15-8119996) +31-15-8119997 / 0031-15-8119997 (015-8119997 / 0-15-8119997) +31-15-8119998 / 0031-15-8119998 (015-8119998 / 0-15-8119998) +31-15-8119999 / 0031-15-8119999 (015-8119999 / 0-15-8119999)