Area Code +31-50-(5820000...5829999) 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 : 5820000 Subscriber Number To : 5829999 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-(5790000...5799999) next › : +31-50-(5840000...5849999) Dialling Instructions For trunk calls: 0 50 5820000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 5820000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5820000 ~ 5829999 (Count: 10,000) Example: +31-50-5820000 / 0031-50-5820000 (050-5820000 / 0-50-5820000) +31-50-5820001 / 0031-50-5820001 (050-5820001 / 0-50-5820001) +31-50-5820002 / 0031-50-5820002 (050-5820002 / 0-50-5820002) +31-50-5820003 / 0031-50-5820003 (050-5820003 / 0-50-5820003) +31-50-5820004 / 0031-50-5820004 (050-5820004 / 0-50-5820004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-5829995 / 0031-50-5829995 (050-5829995 / 0-50-5829995) +31-50-5829996 / 0031-50-5829996 (050-5829996 / 0-50-5829996) +31-50-5829997 / 0031-50-5829997 (050-5829997 / 0-50-5829997) +31-50-5829998 / 0031-50-5829998 (050-5829998 / 0-50-5829998) +31-50-5829999 / 0031-50-5829999 (050-5829999 / 0-50-5829999)