Area Code +31-50-(5340000...5349999) 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 : 5340000 Subscriber Number To : 5349999 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-(5330000...5339999) next › : +31-50-(5350000...5359999) Dialling Instructions For trunk calls: 0 50 5340000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 5340000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5340000 ~ 5349999 (Count: 10,000) Example: +31-50-5340000 / 0031-50-5340000 (050-5340000 / 0-50-5340000) +31-50-5340001 / 0031-50-5340001 (050-5340001 / 0-50-5340001) +31-50-5340002 / 0031-50-5340002 (050-5340002 / 0-50-5340002) +31-50-5340003 / 0031-50-5340003 (050-5340003 / 0-50-5340003) +31-50-5340004 / 0031-50-5340004 (050-5340004 / 0-50-5340004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-5349995 / 0031-50-5349995 (050-5349995 / 0-50-5349995) +31-50-5349996 / 0031-50-5349996 (050-5349996 / 0-50-5349996) +31-50-5349997 / 0031-50-5349997 (050-5349997 / 0-50-5349997) +31-50-5349998 / 0031-50-5349998 (050-5349998 / 0-50-5349998) +31-50-5349999 / 0031-50-5349999 (050-5349999 / 0-50-5349999)