Area Code +31-50-(7830000...7839999) located in Groningen, Groningen (GR), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 50 Subscriber Number From : 7830000 Subscriber Number To : 7839999 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 : VoipZeker 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 : GR Region Name : Groningen City : Groningen Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 53.2100 Longitude : 6.5700 ‹ previous : +31-50-(7820000...7820999) next › : +31-50-(7850000...7859999) Dialling Instructions For trunk calls: 0 50 7830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 7830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7830000 ~ 7839999 (Count: 10,000) Example: +31-50-7830000 / 0031-50-7830000 (050-7830000 / 0-50-7830000) +31-50-7830001 / 0031-50-7830001 (050-7830001 / 0-50-7830001) +31-50-7830002 / 0031-50-7830002 (050-7830002 / 0-50-7830002) +31-50-7830003 / 0031-50-7830003 (050-7830003 / 0-50-7830003) +31-50-7830004 / 0031-50-7830004 (050-7830004 / 0-50-7830004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-7839995 / 0031-50-7839995 (050-7839995 / 0-50-7839995) +31-50-7839996 / 0031-50-7839996 (050-7839996 / 0-50-7839996) +31-50-7839997 / 0031-50-7839997 (050-7839997 / 0-50-7839997) +31-50-7839998 / 0031-50-7839998 (050-7839998 / 0-50-7839998) +31-50-7839999 / 0031-50-7839999 (050-7839999 / 0-50-7839999)