Area Code +31-10-(3101000...3101999) 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 : 3101000 Subscriber Number To : 3101999 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 : GnTel 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-(3100000...3100999) next › : +31-10-(3102000...3102999) Dialling Instructions For trunk calls: 0 10 3101000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 3101000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3101000 ~ 3101999 (Count: 1,000) Example: +31-10-3101000 / 0031-10-3101000 (010-3101000 / 0-10-3101000) +31-10-3101001 / 0031-10-3101001 (010-3101001 / 0-10-3101001) +31-10-3101002 / 0031-10-3101002 (010-3101002 / 0-10-3101002) +31-10-3101003 / 0031-10-3101003 (010-3101003 / 0-10-3101003) +31-10-3101004 / 0031-10-3101004 (010-3101004 / 0-10-3101004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-3101995 / 0031-10-3101995 (010-3101995 / 0-10-3101995) +31-10-3101996 / 0031-10-3101996 (010-3101996 / 0-10-3101996) +31-10-3101997 / 0031-10-3101997 (010-3101997 / 0-10-3101997) +31-10-3101998 / 0031-10-3101998 (010-3101998 / 0-10-3101998) +31-10-3101999 / 0031-10-3101999 (010-3101999 / 0-10-3101999)