Area Code +31-10-(7423000...7423999) 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 : 7423000 Subscriber Number To : 7423999 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 : Coolwave Communications 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-(7422000...7422999) next › : +31-10-(7430000...7430999) Dialling Instructions For trunk calls: 0 10 7423000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 7423000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7423000 ~ 7423999 (Count: 1,000) Example: +31-10-7423000 / 0031-10-7423000 (010-7423000 / 0-10-7423000) +31-10-7423001 / 0031-10-7423001 (010-7423001 / 0-10-7423001) +31-10-7423002 / 0031-10-7423002 (010-7423002 / 0-10-7423002) +31-10-7423003 / 0031-10-7423003 (010-7423003 / 0-10-7423003) +31-10-7423004 / 0031-10-7423004 (010-7423004 / 0-10-7423004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-7423995 / 0031-10-7423995 (010-7423995 / 0-10-7423995) +31-10-7423996 / 0031-10-7423996 (010-7423996 / 0-10-7423996) +31-10-7423997 / 0031-10-7423997 (010-7423997 / 0-10-7423997) +31-10-7423998 / 0031-10-7423998 (010-7423998 / 0-10-7423998) +31-10-7423999 / 0031-10-7423999 (010-7423999 / 0-10-7423999)