Area Code +31-50-(8221000...8221999) 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 : 8221000 Subscriber Number To : 8221999 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 : ACM 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-(8220000...8220999) next › : +31-50-(8222000...8222999) Dialling Instructions For trunk calls: 0 50 8221000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 8221000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8221000 ~ 8221999 (Count: 1,000) Example: +31-50-8221000 / 0031-50-8221000 (050-8221000 / 0-50-8221000) +31-50-8221001 / 0031-50-8221001 (050-8221001 / 0-50-8221001) +31-50-8221002 / 0031-50-8221002 (050-8221002 / 0-50-8221002) +31-50-8221003 / 0031-50-8221003 (050-8221003 / 0-50-8221003) +31-50-8221004 / 0031-50-8221004 (050-8221004 / 0-50-8221004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-8221995 / 0031-50-8221995 (050-8221995 / 0-50-8221995) +31-50-8221996 / 0031-50-8221996 (050-8221996 / 0-50-8221996) +31-50-8221997 / 0031-50-8221997 (050-8221997 / 0-50-8221997) +31-50-8221998 / 0031-50-8221998 (050-8221998 / 0-50-8221998) +31-50-8221999 / 0031-50-8221999 (050-8221999 / 0-50-8221999)