Area Code +31-50-(4444000...4444999) 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 : 4444000 Subscriber Number To : 4444999 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 : Voiped C.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-(4400000...4400999) next › : +31-50-(5000000...5009999) Dialling Instructions For trunk calls: 0 50 4444000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 4444000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4444000 ~ 4444999 (Count: 1,000) Example: +31-50-4444000 / 0031-50-4444000 (050-4444000 / 0-50-4444000) +31-50-4444001 / 0031-50-4444001 (050-4444001 / 0-50-4444001) +31-50-4444002 / 0031-50-4444002 (050-4444002 / 0-50-4444002) +31-50-4444003 / 0031-50-4444003 (050-4444003 / 0-50-4444003) +31-50-4444004 / 0031-50-4444004 (050-4444004 / 0-50-4444004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-4444995 / 0031-50-4444995 (050-4444995 / 0-50-4444995) +31-50-4444996 / 0031-50-4444996 (050-4444996 / 0-50-4444996) +31-50-4444997 / 0031-50-4444997 (050-4444997 / 0-50-4444997) +31-50-4444998 / 0031-50-4444998 (050-4444998 / 0-50-4444998) +31-50-4444999 / 0031-50-4444999 (050-4444999 / 0-50-4444999)