Area Code +31-561-(610000...619999) located in Wolvega, Fryslân (FR), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 561 Subscriber Number From : 610000 Subscriber Number To : 619999 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 : Wolvega Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.8800 Longitude : 6.0100 ‹ previous : +31-561-(560000...569999) next › : +31-561-(680000...689999) Dialling Instructions For trunk calls: 0 561 610000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 561 610000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 610000 ~ 619999 (Count: 10,000) Example: +31-561-610000 / 0031-561-610000 (0561-610000 / 0-561-610000) +31-561-610001 / 0031-561-610001 (0561-610001 / 0-561-610001) +31-561-610002 / 0031-561-610002 (0561-610002 / 0-561-610002) +31-561-610003 / 0031-561-610003 (0561-610003 / 0-561-610003) +31-561-610004 / 0031-561-610004 (0561-610004 / 0-561-610004) ...+31-561-xxxxxx / 0031-561-xxxxxx (0561-xxxxxx / 0-561-xxxxxx) ...+31-561-619995 / 0031-561-619995 (0561-619995 / 0-561-619995) +31-561-619996 / 0031-561-619996 (0561-619996 / 0-561-619996) +31-561-619997 / 0031-561-619997 (0561-619997 / 0-561-619997) +31-561-619998 / 0031-561-619998 (0561-619998 / 0-561-619998) +31-561-619999 / 0031-561-619999 (0561-619999 / 0-561-619999)