Area Code +31-66-(5900000...5999999) located in Mobile Paging, more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 66 Subscriber Number From : 5900000 Subscriber Number To : 5999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) 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) City : Mobile Paging Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.3700 Longitude : 4.9000 ‹ previous : +31-66-(5800000...5899999) next › : +31-67-(000...000) Dialling Instructions For trunk calls: 0 66 5900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 66 5900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5900000 ~ 5999999 (Count: 100,000) Example: +31-66-5900000 / 0031-66-5900000 (066-5900000 / 0-66-5900000) +31-66-5900001 / 0031-66-5900001 (066-5900001 / 0-66-5900001) +31-66-5900002 / 0031-66-5900002 (066-5900002 / 0-66-5900002) +31-66-5900003 / 0031-66-5900003 (066-5900003 / 0-66-5900003) +31-66-5900004 / 0031-66-5900004 (066-5900004 / 0-66-5900004) ...+31-66-xxxxxxx / 0031-66-xxxxxxx (066-xxxxxxx / 0-66-xxxxxxx) ...+31-66-5999995 / 0031-66-5999995 (066-5999995 / 0-66-5999995) +31-66-5999996 / 0031-66-5999996 (066-5999996 / 0-66-5999996) +31-66-5999997 / 0031-66-5999997 (066-5999997 / 0-66-5999997) +31-66-5999998 / 0031-66-5999998 (066-5999998 / 0-66-5999998) +31-66-5999999 / 0031-66-5999999 (066-5999999 / 0-66-5999999)