Area Code +31-10-(7440000...7449999) 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 : 7440000 Subscriber Number To : 7449999 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 : Globalcall 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-(7439000...7439999) next › : +31-10-(7450000...7459999) Dialling Instructions For trunk calls: 0 10 7440000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 7440000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7440000 ~ 7449999 (Count: 10,000) Example: +31-10-7440000 / 0031-10-7440000 (010-7440000 / 0-10-7440000) +31-10-7440001 / 0031-10-7440001 (010-7440001 / 0-10-7440001) +31-10-7440002 / 0031-10-7440002 (010-7440002 / 0-10-7440002) +31-10-7440003 / 0031-10-7440003 (010-7440003 / 0-10-7440003) +31-10-7440004 / 0031-10-7440004 (010-7440004 / 0-10-7440004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-7449995 / 0031-10-7449995 (010-7449995 / 0-10-7449995) +31-10-7449996 / 0031-10-7449996 (010-7449996 / 0-10-7449996) +31-10-7449997 / 0031-10-7449997 (010-7449997 / 0-10-7449997) +31-10-7449998 / 0031-10-7449998 (010-7449998 / 0-10-7449998) +31-10-7449999 / 0031-10-7449999 (010-7449999 / 0-10-7449999)