Area Code +31-50-(7210000...7210999) 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 : 7210000 Subscriber Number To : 7210999 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 : X2Com 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-(7200000...7209999) next › : +31-50-(7230000...7230999) Dialling Instructions For trunk calls: 0 50 7210000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 7210000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7210000 ~ 7210999 (Count: 1,000) Example: +31-50-7210000 / 0031-50-7210000 (050-7210000 / 0-50-7210000) +31-50-7210001 / 0031-50-7210001 (050-7210001 / 0-50-7210001) +31-50-7210002 / 0031-50-7210002 (050-7210002 / 0-50-7210002) +31-50-7210003 / 0031-50-7210003 (050-7210003 / 0-50-7210003) +31-50-7210004 / 0031-50-7210004 (050-7210004 / 0-50-7210004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-7210995 / 0031-50-7210995 (050-7210995 / 0-50-7210995) +31-50-7210996 / 0031-50-7210996 (050-7210996 / 0-50-7210996) +31-50-7210997 / 0031-50-7210997 (050-7210997 / 0-50-7210997) +31-50-7210998 / 0031-50-7210998 (050-7210998 / 0-50-7210998) +31-50-7210999 / 0031-50-7210999 (050-7210999 / 0-50-7210999)