Area Code +31-523-(870000...870999) 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 : 870000 Subscriber Number To : 870999 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 : Infopact Netwerkdiensten 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-(850000...859999) next › : +31-524-(200000...200999) Dialling Instructions For trunk calls: 0 523 870000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 523 870000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 870000 ~ 870999 (Count: 1,000) Example: +31-523-870000 / 0031-523-870000 (0523-870000 / 0-523-870000) +31-523-870001 / 0031-523-870001 (0523-870001 / 0-523-870001) +31-523-870002 / 0031-523-870002 (0523-870002 / 0-523-870002) +31-523-870003 / 0031-523-870003 (0523-870003 / 0-523-870003) +31-523-870004 / 0031-523-870004 (0523-870004 / 0-523-870004) ...+31-523-xxxxxx / 0031-523-xxxxxx (0523-xxxxxx / 0-523-xxxxxx) ...+31-523-870995 / 0031-523-870995 (0523-870995 / 0-523-870995) +31-523-870996 / 0031-523-870996 (0523-870996 / 0-523-870996) +31-523-870997 / 0031-523-870997 (0523-870997 / 0-523-870997) +31-523-870998 / 0031-523-870998 (0523-870998 / 0-523-870998) +31-523-870999 / 0031-523-870999 (0523-870999 / 0-523-870999)