Area Code +31-223-(630000...639999) located in Den Helder, Noord-Holland (NH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 223 Subscriber Number From : 630000 Subscriber Number To : 639999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : KPN 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 : NH Region Name : Noord-Holland City : Den Helder Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.9600 Longitude : 4.7600 ‹ previous : +31-223-(620000...629999) next › : +31-223-(640000...649999) Dialling Instructions For trunk calls: 0 223 630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 223 630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 630000 ~ 639999 (Count: 10,000) Example: +31-223-630000 / 0031-223-630000 (0223-630000 / 0-223-630000) +31-223-630001 / 0031-223-630001 (0223-630001 / 0-223-630001) +31-223-630002 / 0031-223-630002 (0223-630002 / 0-223-630002) +31-223-630003 / 0031-223-630003 (0223-630003 / 0-223-630003) +31-223-630004 / 0031-223-630004 (0223-630004 / 0-223-630004) ...+31-223-xxxxxx / 0031-223-xxxxxx (0223-xxxxxx / 0-223-xxxxxx) ...+31-223-639995 / 0031-223-639995 (0223-639995 / 0-223-639995) +31-223-639996 / 0031-223-639996 (0223-639996 / 0-223-639996) +31-223-639997 / 0031-223-639997 (0223-639997 / 0-223-639997) +31-223-639998 / 0031-223-639998 (0223-639998 / 0-223-639998) +31-223-639999 / 0031-223-639999 (0223-639999 / 0-223-639999)
