Area Code +31-50-(3201000...3209999) 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 : 3201000 Subscriber Number To : 3209999 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 : Telio Netherlands 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-(3200000...3200999) next › : +31-50-(3210000...3219999) Dialling Instructions For trunk calls: 0 50 3201000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 3201000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3201000 ~ 3209999 (Count: 9,000) Example: +31-50-3201000 / 0031-50-3201000 (050-3201000 / 0-50-3201000) +31-50-3201001 / 0031-50-3201001 (050-3201001 / 0-50-3201001) +31-50-3201002 / 0031-50-3201002 (050-3201002 / 0-50-3201002) +31-50-3201003 / 0031-50-3201003 (050-3201003 / 0-50-3201003) +31-50-3201004 / 0031-50-3201004 (050-3201004 / 0-50-3201004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-3209995 / 0031-50-3209995 (050-3209995 / 0-50-3209995) +31-50-3209996 / 0031-50-3209996 (050-3209996 / 0-50-3209996) +31-50-3209997 / 0031-50-3209997 (050-3209997 / 0-50-3209997) +31-50-3209998 / 0031-50-3209998 (050-3209998 / 0-50-3209998) +31-50-3209999 / 0031-50-3209999 (050-3209999 / 0-50-3209999)