Area Code +31-10-(3070000...3079999) 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 : 3070000 Subscriber Number To : 3079999 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 : VoIPGRID 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-(3060000...3069999) next › : +31-10-(3080000...3089999) Dialling Instructions For trunk calls: 0 10 3070000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 3070000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3070000 ~ 3079999 (Count: 10,000) Example: +31-10-3070000 / 0031-10-3070000 (010-3070000 / 0-10-3070000) +31-10-3070001 / 0031-10-3070001 (010-3070001 / 0-10-3070001) +31-10-3070002 / 0031-10-3070002 (010-3070002 / 0-10-3070002) +31-10-3070003 / 0031-10-3070003 (010-3070003 / 0-10-3070003) +31-10-3070004 / 0031-10-3070004 (010-3070004 / 0-10-3070004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-3079995 / 0031-10-3079995 (010-3079995 / 0-10-3079995) +31-10-3079996 / 0031-10-3079996 (010-3079996 / 0-10-3079996) +31-10-3079997 / 0031-10-3079997 (010-3079997 / 0-10-3079997) +31-10-3079998 / 0031-10-3079998 (010-3079998 / 0-10-3079998) +31-10-3079999 / 0031-10-3079999 (010-3079999 / 0-10-3079999)