Area Code +31-516-(540000...549999) 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 : 540000 Subscriber Number To : 549999 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 : 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-(520000...529999) next › : +31-516-(560000...569999) Dialling Instructions For trunk calls: 0 516 540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 516 540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 540000 ~ 549999 (Count: 10,000) Example: +31-516-540000 / 0031-516-540000 (0516-540000 / 0-516-540000) +31-516-540001 / 0031-516-540001 (0516-540001 / 0-516-540001) +31-516-540002 / 0031-516-540002 (0516-540002 / 0-516-540002) +31-516-540003 / 0031-516-540003 (0516-540003 / 0-516-540003) +31-516-540004 / 0031-516-540004 (0516-540004 / 0-516-540004) ...+31-516-xxxxxx / 0031-516-xxxxxx (0516-xxxxxx / 0-516-xxxxxx) ...+31-516-549995 / 0031-516-549995 (0516-549995 / 0-516-549995) +31-516-549996 / 0031-516-549996 (0516-549996 / 0-516-549996) +31-516-549997 / 0031-516-549997 (0516-549997 / 0-516-549997) +31-516-549998 / 0031-516-549998 (0516-549998 / 0-516-549998) +31-516-549999 / 0031-516-549999 (0516-549999 / 0-516-549999)