Area Code +31-10-(2990000...2999999) 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 : 2990000 Subscriber Number To : 2999999 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 : KPN 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-(2980000...2989999) next › : +31-10-(3000000...3009999) Dialling Instructions For trunk calls: 0 10 2990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 2990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2990000 ~ 2999999 (Count: 10,000) Example: +31-10-2990000 / 0031-10-2990000 (010-2990000 / 0-10-2990000) +31-10-2990001 / 0031-10-2990001 (010-2990001 / 0-10-2990001) +31-10-2990002 / 0031-10-2990002 (010-2990002 / 0-10-2990002) +31-10-2990003 / 0031-10-2990003 (010-2990003 / 0-10-2990003) +31-10-2990004 / 0031-10-2990004 (010-2990004 / 0-10-2990004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-2999995 / 0031-10-2999995 (010-2999995 / 0-10-2999995) +31-10-2999996 / 0031-10-2999996 (010-2999996 / 0-10-2999996) +31-10-2999997 / 0031-10-2999997 (010-2999997 / 0-10-2999997) +31-10-2999998 / 0031-10-2999998 (010-2999998 / 0-10-2999998) +31-10-2999999 / 0031-10-2999999 (010-2999999 / 0-10-2999999)