Area Code +31-50-(7801000...7801999) 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 : 7801000 Subscriber Number To : 7801999 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-(7770000...7779999) next › : +31-50-(7802000...7802999) Dialling Instructions For trunk calls: 0 50 7801000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 7801000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7801000 ~ 7801999 (Count: 1,000) Example: +31-50-7801000 / 0031-50-7801000 (050-7801000 / 0-50-7801000) +31-50-7801001 / 0031-50-7801001 (050-7801001 / 0-50-7801001) +31-50-7801002 / 0031-50-7801002 (050-7801002 / 0-50-7801002) +31-50-7801003 / 0031-50-7801003 (050-7801003 / 0-50-7801003) +31-50-7801004 / 0031-50-7801004 (050-7801004 / 0-50-7801004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-7801995 / 0031-50-7801995 (050-7801995 / 0-50-7801995) +31-50-7801996 / 0031-50-7801996 (050-7801996 / 0-50-7801996) +31-50-7801997 / 0031-50-7801997 (050-7801997 / 0-50-7801997) +31-50-7801998 / 0031-50-7801998 (050-7801998 / 0-50-7801998) +31-50-7801999 / 0031-50-7801999 (050-7801999 / 0-50-7801999)