Area Code +31-15-(7601000...7601999) 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 : 7601000 Subscriber Number To : 7601999 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 : Voiceworks 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-(7600000...7600999) next › : +31-15-(7610000...7619999) Dialling Instructions For trunk calls: 0 15 7601000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 15 7601000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7601000 ~ 7601999 (Count: 1,000) Example: +31-15-7601000 / 0031-15-7601000 (015-7601000 / 0-15-7601000) +31-15-7601001 / 0031-15-7601001 (015-7601001 / 0-15-7601001) +31-15-7601002 / 0031-15-7601002 (015-7601002 / 0-15-7601002) +31-15-7601003 / 0031-15-7601003 (015-7601003 / 0-15-7601003) +31-15-7601004 / 0031-15-7601004 (015-7601004 / 0-15-7601004) ...+31-15-xxxxxxx / 0031-15-xxxxxxx (015-xxxxxxx / 0-15-xxxxxxx) ...+31-15-7601995 / 0031-15-7601995 (015-7601995 / 0-15-7601995) +31-15-7601996 / 0031-15-7601996 (015-7601996 / 0-15-7601996) +31-15-7601997 / 0031-15-7601997 (015-7601997 / 0-15-7601997) +31-15-7601998 / 0031-15-7601998 (015-7601998 / 0-15-7601998) +31-15-7601999 / 0031-15-7601999 (015-7601999 / 0-15-7601999)