Area Code +31-523-(740000...740999) 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 : 740000 Subscriber Number To : 740999 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 : I4IP 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-(729000...729999) next › : +31-523-(741000...741999) Dialling Instructions For trunk calls: 0 523 740000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 523 740000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 740000 ~ 740999 (Count: 1,000) Example: +31-523-740000 / 0031-523-740000 (0523-740000 / 0-523-740000) +31-523-740001 / 0031-523-740001 (0523-740001 / 0-523-740001) +31-523-740002 / 0031-523-740002 (0523-740002 / 0-523-740002) +31-523-740003 / 0031-523-740003 (0523-740003 / 0-523-740003) +31-523-740004 / 0031-523-740004 (0523-740004 / 0-523-740004) ...+31-523-xxxxxx / 0031-523-xxxxxx (0523-xxxxxx / 0-523-xxxxxx) ...+31-523-740995 / 0031-523-740995 (0523-740995 / 0-523-740995) +31-523-740996 / 0031-523-740996 (0523-740996 / 0-523-740996) +31-523-740997 / 0031-523-740997 (0523-740997 / 0-523-740997) +31-523-740998 / 0031-523-740998 (0523-740998 / 0-523-740998) +31-523-740999 / 0031-523-740999 (0523-740999 / 0-523-740999)