Area Code +31-50-(7400300...7400399) 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 : 7400300 Subscriber Number To : 7400399 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-(7400200...7400299) next › : +31-50-(7400400...7400499) Dialling Instructions For trunk calls: 0 50 7400300 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 7400300 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7400300 ~ 7400399 (Count: 100) Example: +31-50-7400300 / 0031-50-7400300 (050-7400300 / 0-50-7400300) +31-50-7400301 / 0031-50-7400301 (050-7400301 / 0-50-7400301) +31-50-7400302 / 0031-50-7400302 (050-7400302 / 0-50-7400302) +31-50-7400303 / 0031-50-7400303 (050-7400303 / 0-50-7400303) +31-50-7400304 / 0031-50-7400304 (050-7400304 / 0-50-7400304) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-7400395 / 0031-50-7400395 (050-7400395 / 0-50-7400395) +31-50-7400396 / 0031-50-7400396 (050-7400396 / 0-50-7400396) +31-50-7400397 / 0031-50-7400397 (050-7400397 / 0-50-7400397) +31-50-7400398 / 0031-50-7400398 (050-7400398 / 0-50-7400398) +31-50-7400399 / 0031-50-7400399 (050-7400399 / 0-50-7400399)