Area Code +31-516-(660000...669999) located in Oosterwolde, Fryslân (FR), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 516 Subscriber Number From : 660000 Subscriber Number To : 669999 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 : BT NEDERLAND N.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 : Oosterwolde Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.9900 Longitude : 6.2900 ‹ previous : +31-516-(580000...589999) next › : +31-516-(700000...700999) Dialling Instructions For trunk calls: 0 516 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 516 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +31-516-660000 / 0031-516-660000 (0516-660000 / 0-516-660000) +31-516-660001 / 0031-516-660001 (0516-660001 / 0-516-660001) +31-516-660002 / 0031-516-660002 (0516-660002 / 0-516-660002) +31-516-660003 / 0031-516-660003 (0516-660003 / 0-516-660003) +31-516-660004 / 0031-516-660004 (0516-660004 / 0-516-660004) ...+31-516-xxxxxx / 0031-516-xxxxxx (0516-xxxxxx / 0-516-xxxxxx) ...+31-516-669995 / 0031-516-669995 (0516-669995 / 0-516-669995) +31-516-669996 / 0031-516-669996 (0516-669996 / 0-516-669996) +31-516-669997 / 0031-516-669997 (0516-669997 / 0-516-669997) +31-516-669998 / 0031-516-669998 (0516-669998 / 0-516-669998) +31-516-669999 / 0031-516-669999 (0516-669999 / 0-516-669999)