Area Code +31-50-(5920000...5929999) 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 : 5920000 Subscriber Number To : 5929999 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-(5900000...5909999) next › : +31-50-(5930000...5939999) Dialling Instructions For trunk calls: 0 50 5920000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 5920000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5920000 ~ 5929999 (Count: 10,000) Example: +31-50-5920000 / 0031-50-5920000 (050-5920000 / 0-50-5920000) +31-50-5920001 / 0031-50-5920001 (050-5920001 / 0-50-5920001) +31-50-5920002 / 0031-50-5920002 (050-5920002 / 0-50-5920002) +31-50-5920003 / 0031-50-5920003 (050-5920003 / 0-50-5920003) +31-50-5920004 / 0031-50-5920004 (050-5920004 / 0-50-5920004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-5929995 / 0031-50-5929995 (050-5929995 / 0-50-5929995) +31-50-5929996 / 0031-50-5929996 (050-5929996 / 0-50-5929996) +31-50-5929997 / 0031-50-5929997 (050-5929997 / 0-50-5929997) +31-50-5929998 / 0031-50-5929998 (050-5929998 / 0-50-5929998) +31-50-5929999 / 0031-50-5929999 (050-5929999 / 0-50-5929999)