Area Code +31-10-(7421000...7421999) located in Rotterdam, Zuid-Holland (ZH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 10 Subscriber Number From : 7421000 Subscriber Number To : 7421999 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 : Coolwave Communications 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 : Rotterdam Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 51.9200 Longitude : 4.4700 ‹ previous : +31-10-(7420000...7420999) next › : +31-10-(7422000...7422999) Dialling Instructions For trunk calls: 0 10 7421000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 7421000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7421000 ~ 7421999 (Count: 1,000) Example: +31-10-7421000 / 0031-10-7421000 (010-7421000 / 0-10-7421000) +31-10-7421001 / 0031-10-7421001 (010-7421001 / 0-10-7421001) +31-10-7421002 / 0031-10-7421002 (010-7421002 / 0-10-7421002) +31-10-7421003 / 0031-10-7421003 (010-7421003 / 0-10-7421003) +31-10-7421004 / 0031-10-7421004 (010-7421004 / 0-10-7421004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-7421995 / 0031-10-7421995 (010-7421995 / 0-10-7421995) +31-10-7421996 / 0031-10-7421996 (010-7421996 / 0-10-7421996) +31-10-7421997 / 0031-10-7421997 (010-7421997 / 0-10-7421997) +31-10-7421998 / 0031-10-7421998 (010-7421998 / 0-10-7421998) +31-10-7421999 / 0031-10-7421999 (010-7421999 / 0-10-7421999)