Area Code +31-50-(5200000...5209999) 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 : 5200000 Subscriber Number To : 5209999 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-(5070000...5079999) next › : +31-50-(5210000...5219999) Dialling Instructions For trunk calls: 0 50 5200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 5200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5200000 ~ 5209999 (Count: 10,000) Example: +31-50-5200000 / 0031-50-5200000 (050-5200000 / 0-50-5200000) +31-50-5200001 / 0031-50-5200001 (050-5200001 / 0-50-5200001) +31-50-5200002 / 0031-50-5200002 (050-5200002 / 0-50-5200002) +31-50-5200003 / 0031-50-5200003 (050-5200003 / 0-50-5200003) +31-50-5200004 / 0031-50-5200004 (050-5200004 / 0-50-5200004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-5209995 / 0031-50-5209995 (050-5209995 / 0-50-5209995) +31-50-5209996 / 0031-50-5209996 (050-5209996 / 0-50-5209996) +31-50-5209997 / 0031-50-5209997 (050-5209997 / 0-50-5209997) +31-50-5209998 / 0031-50-5209998 (050-5209998 / 0-50-5209998) +31-50-5209999 / 0031-50-5209999 (050-5209999 / 0-50-5209999)