Area Code +31-523-(650000...659999) 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 : 650000 Subscriber Number To : 659999 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 : KPN 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-(640000...649999) next › : +31-523-(670000...679999) Dialling Instructions For trunk calls: 0 523 650000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 523 650000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 650000 ~ 659999 (Count: 10,000) Example: +31-523-650000 / 0031-523-650000 (0523-650000 / 0-523-650000) +31-523-650001 / 0031-523-650001 (0523-650001 / 0-523-650001) +31-523-650002 / 0031-523-650002 (0523-650002 / 0-523-650002) +31-523-650003 / 0031-523-650003 (0523-650003 / 0-523-650003) +31-523-650004 / 0031-523-650004 (0523-650004 / 0-523-650004) ...+31-523-xxxxxx / 0031-523-xxxxxx (0523-xxxxxx / 0-523-xxxxxx) ...+31-523-659995 / 0031-523-659995 (0523-659995 / 0-523-659995) +31-523-659996 / 0031-523-659996 (0523-659996 / 0-523-659996) +31-523-659997 / 0031-523-659997 (0523-659997 / 0-523-659997) +31-523-659998 / 0031-523-659998 (0523-659998 / 0-523-659998) +31-523-659999 / 0031-523-659999 (0523-659999 / 0-523-659999)