Area Code +31-50-(2501000...2501999) 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 : 2501000 Subscriber Number To : 2501999 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 : Ziggo 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-(2500000...2500999) next › : +31-50-(2510000...2510999) Dialling Instructions For trunk calls: 0 50 2501000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 2501000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2501000 ~ 2501999 (Count: 1,000) Example: +31-50-2501000 / 0031-50-2501000 (050-2501000 / 0-50-2501000) +31-50-2501001 / 0031-50-2501001 (050-2501001 / 0-50-2501001) +31-50-2501002 / 0031-50-2501002 (050-2501002 / 0-50-2501002) +31-50-2501003 / 0031-50-2501003 (050-2501003 / 0-50-2501003) +31-50-2501004 / 0031-50-2501004 (050-2501004 / 0-50-2501004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-2501995 / 0031-50-2501995 (050-2501995 / 0-50-2501995) +31-50-2501996 / 0031-50-2501996 (050-2501996 / 0-50-2501996) +31-50-2501997 / 0031-50-2501997 (050-2501997 / 0-50-2501997) +31-50-2501998 / 0031-50-2501998 (050-2501998 / 0-50-2501998) +31-50-2501999 / 0031-50-2501999 (050-2501999 / 0-50-2501999)