Area Code +31-223-(660000...669999) 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 : 660000 Subscriber Number To : 669999 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-(650000...659999) next › : +31-223-(670000...679999) Dialling Instructions For trunk calls: 0 223 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 223 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +31-223-660000 / 0031-223-660000 (0223-660000 / 0-223-660000) +31-223-660001 / 0031-223-660001 (0223-660001 / 0-223-660001) +31-223-660002 / 0031-223-660002 (0223-660002 / 0-223-660002) +31-223-660003 / 0031-223-660003 (0223-660003 / 0-223-660003) +31-223-660004 / 0031-223-660004 (0223-660004 / 0-223-660004) ...+31-223-xxxxxx / 0031-223-xxxxxx (0223-xxxxxx / 0-223-xxxxxx) ...+31-223-669995 / 0031-223-669995 (0223-669995 / 0-223-669995) +31-223-669996 / 0031-223-669996 (0223-669996 / 0-223-669996) +31-223-669997 / 0031-223-669997 (0223-669997 / 0-223-669997) +31-223-669998 / 0031-223-669998 (0223-669998 / 0-223-669998) +31-223-669999 / 0031-223-669999 (0223-669999 / 0-223-669999)
