Area Code +31-10-(3031000...3039999) 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 : 3031000 Subscriber Number To : 3039999 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 : Routit 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-(3030000...3030999) next › : +31-10-(3040000...3040999) Dialling Instructions For trunk calls: 0 10 3031000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 3031000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3031000 ~ 3039999 (Count: 9,000) Example: +31-10-3031000 / 0031-10-3031000 (010-3031000 / 0-10-3031000) +31-10-3031001 / 0031-10-3031001 (010-3031001 / 0-10-3031001) +31-10-3031002 / 0031-10-3031002 (010-3031002 / 0-10-3031002) +31-10-3031003 / 0031-10-3031003 (010-3031003 / 0-10-3031003) +31-10-3031004 / 0031-10-3031004 (010-3031004 / 0-10-3031004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-3039995 / 0031-10-3039995 (010-3039995 / 0-10-3039995) +31-10-3039996 / 0031-10-3039996 (010-3039996 / 0-10-3039996) +31-10-3039997 / 0031-10-3039997 (010-3039997 / 0-10-3039997) +31-10-3039998 / 0031-10-3039998 (010-3039998 / 0-10-3039998) +31-10-3039999 / 0031-10-3039999 (010-3039999 / 0-10-3039999)