Area Code +31-50-(8011000...8011999) 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 : 8011000 Subscriber Number To : 8011999 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 : EspritXB 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-(8010000...8010999) next › : +31-50-(8080000...8089999) Dialling Instructions For trunk calls: 0 50 8011000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 50 8011000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8011000 ~ 8011999 (Count: 1,000) Example: +31-50-8011000 / 0031-50-8011000 (050-8011000 / 0-50-8011000) +31-50-8011001 / 0031-50-8011001 (050-8011001 / 0-50-8011001) +31-50-8011002 / 0031-50-8011002 (050-8011002 / 0-50-8011002) +31-50-8011003 / 0031-50-8011003 (050-8011003 / 0-50-8011003) +31-50-8011004 / 0031-50-8011004 (050-8011004 / 0-50-8011004) ...+31-50-xxxxxxx / 0031-50-xxxxxxx (050-xxxxxxx / 0-50-xxxxxxx) ...+31-50-8011995 / 0031-50-8011995 (050-8011995 / 0-50-8011995) +31-50-8011996 / 0031-50-8011996 (050-8011996 / 0-50-8011996) +31-50-8011997 / 0031-50-8011997 (050-8011997 / 0-50-8011997) +31-50-8011998 / 0031-50-8011998 (050-8011998 / 0-50-8011998) +31-50-8011999 / 0031-50-8011999 (050-8011999 / 0-50-8011999)