Area Code +31-50-(7200000...7209999) 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 : 7200000 Subscriber Number To : 7209999 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 : Ziggo Zakelijk Services 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-(7119000...7119999) next › : +31-50-(7210000...7210999) Dialling Instructions For trunk calls: 0 50 7200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 7200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7200000 ~ 7209999 (Count: 10,000) Example: +31-50-7200000 / 0031-50-7200000 (050-7200000 / 0-50-7200000) +31-50-7200001 / 0031-50-7200001 (050-7200001 / 0-50-7200001) +31-50-7200002 / 0031-50-7200002 (050-7200002 / 0-50-7200002) +31-50-7200003 / 0031-50-7200003 (050-7200003 / 0-50-7200003) +31-50-7200004 / 0031-50-7200004 (050-7200004 / 0-50-7200004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-7209995 / 0031-50-7209995 (050-7209995 / 0-50-7209995) +31-50-7209996 / 0031-50-7209996 (050-7209996 / 0-50-7209996) +31-50-7209997 / 0031-50-7209997 (050-7209997 / 0-50-7209997) +31-50-7209998 / 0031-50-7209998 (050-7209998 / 0-50-7209998) +31-50-7209999 / 0031-50-7209999 (050-7209999 / 0-50-7209999)