Area Code +31-10-(6311000...6311999) 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 : 6311000 Subscriber Number To : 6311999 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-(6310000...6310999) next › : +31-10-(6312000...6312999) Dialling Instructions For trunk calls: 0 10 6311000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 6311000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6311000 ~ 6311999 (Count: 1,000) Example: +31-10-6311000 / 0031-10-6311000 (010-6311000 / 0-10-6311000) +31-10-6311001 / 0031-10-6311001 (010-6311001 / 0-10-6311001) +31-10-6311002 / 0031-10-6311002 (010-6311002 / 0-10-6311002) +31-10-6311003 / 0031-10-6311003 (010-6311003 / 0-10-6311003) +31-10-6311004 / 0031-10-6311004 (010-6311004 / 0-10-6311004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-6311995 / 0031-10-6311995 (010-6311995 / 0-10-6311995) +31-10-6311996 / 0031-10-6311996 (010-6311996 / 0-10-6311996) +31-10-6311997 / 0031-10-6311997 (010-6311997 / 0-10-6311997) +31-10-6311998 / 0031-10-6311998 (010-6311998 / 0-10-6311998) +31-10-6311999 / 0031-10-6311999 (010-6311999 / 0-10-6311999)