Area Code +31-50-(7850000...7859999) 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 : 7850000 Subscriber Number To : 7859999 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 : 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 : 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-(7830000...7839999) next › : +31-50-(7890000...7899999) Dialling Instructions For trunk calls: 0 50 7850000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 7850000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7850000 ~ 7859999 (Count: 10,000) Example: +31-50-7850000 / 0031-50-7850000 (050-7850000 / 0-50-7850000) +31-50-7850001 / 0031-50-7850001 (050-7850001 / 0-50-7850001) +31-50-7850002 / 0031-50-7850002 (050-7850002 / 0-50-7850002) +31-50-7850003 / 0031-50-7850003 (050-7850003 / 0-50-7850003) +31-50-7850004 / 0031-50-7850004 (050-7850004 / 0-50-7850004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-7859995 / 0031-50-7859995 (050-7859995 / 0-50-7859995) +31-50-7859996 / 0031-50-7859996 (050-7859996 / 0-50-7859996) +31-50-7859997 / 0031-50-7859997 (050-7859997 / 0-50-7859997) +31-50-7859998 / 0031-50-7859998 (050-7859998 / 0-50-7859998) +31-50-7859999 / 0031-50-7859999 (050-7859999 / 0-50-7859999)