Area Code +31-566-(600000...609999) located in Irnsum, Fryslân (FR), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 566 Subscriber Number From : 600000 Subscriber Number To : 609999 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 : FR Region Name : Fryslân City : Irnsum Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 53.0800 Longitude : 5.7900 ‹ previous : +31-566-(560000...569999) next › : +31-566-(620000...629999) Dialling Instructions For trunk calls: 0 566 600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 566 600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 600000 ~ 609999 (Count: 10,000) Example: +31-566-600000 / 0031-566-600000 (0566-600000 / 0-566-600000) +31-566-600001 / 0031-566-600001 (0566-600001 / 0-566-600001) +31-566-600002 / 0031-566-600002 (0566-600002 / 0-566-600002) +31-566-600003 / 0031-566-600003 (0566-600003 / 0-566-600003) +31-566-600004 / 0031-566-600004 (0566-600004 / 0-566-600004) ...+31-566-xxxxxx / 0031-566-xxxxxx (0566-xxxxxx / 0-566-xxxxxx) ...+31-566-609995 / 0031-566-609995 (0566-609995 / 0-566-609995) +31-566-609996 / 0031-566-609996 (0566-609996 / 0-566-609996) +31-566-609997 / 0031-566-609997 (0566-609997 / 0-566-609997) +31-566-609998 / 0031-566-609998 (0566-609998 / 0-566-609998) +31-566-609999 / 0031-566-609999 (0566-609999 / 0-566-609999)