Area Code +31-523-(768000...768999) located in Hardenberg, Overijssel (OV), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 523 Subscriber Number From : 768000 Subscriber Number To : 768999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Voiceworks 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 : OV Region Name : Overijssel City : Hardenberg Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.5800 Longitude : 6.6200 ‹ previous : +31-523-(767000...767999) next › : +31-523-(769000...769999) Dialling Instructions For trunk calls: 0 523 768000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 523 768000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 768000 ~ 768999 (Count: 1,000) Example: +31-523-768000 / 0031-523-768000 (0523-768000 / 0-523-768000) +31-523-768001 / 0031-523-768001 (0523-768001 / 0-523-768001) +31-523-768002 / 0031-523-768002 (0523-768002 / 0-523-768002) +31-523-768003 / 0031-523-768003 (0523-768003 / 0-523-768003) +31-523-768004 / 0031-523-768004 (0523-768004 / 0-523-768004) ...+31-523-xxxxxx / 0031-523-xxxxxx (0523-xxxxxx / 0-523-xxxxxx) ...+31-523-768995 / 0031-523-768995 (0523-768995 / 0-523-768995) +31-523-768996 / 0031-523-768996 (0523-768996 / 0-523-768996) +31-523-768997 / 0031-523-768997 (0523-768997 / 0-523-768997) +31-523-768998 / 0031-523-768998 (0523-768998 / 0-523-768998) +31-523-768999 / 0031-523-768999 (0523-768999 / 0-523-768999)