Area Code +31-10-(7230000...7230999) 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 : 7230000 Subscriber Number To : 7230999 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 : ACM 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-(7200000...7200999) next › : +31-10-(7231000...7231999) Dialling Instructions For trunk calls: 0 10 7230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 7230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7230000 ~ 7230999 (Count: 1,000) Example: +31-10-7230000 / 0031-10-7230000 (010-7230000 / 0-10-7230000) +31-10-7230001 / 0031-10-7230001 (010-7230001 / 0-10-7230001) +31-10-7230002 / 0031-10-7230002 (010-7230002 / 0-10-7230002) +31-10-7230003 / 0031-10-7230003 (010-7230003 / 0-10-7230003) +31-10-7230004 / 0031-10-7230004 (010-7230004 / 0-10-7230004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-7230995 / 0031-10-7230995 (010-7230995 / 0-10-7230995) +31-10-7230996 / 0031-10-7230996 (010-7230996 / 0-10-7230996) +31-10-7230997 / 0031-10-7230997 (010-7230997 / 0-10-7230997) +31-10-7230998 / 0031-10-7230998 (010-7230998 / 0-10-7230998) +31-10-7230999 / 0031-10-7230999 (010-7230999 / 0-10-7230999)