Area Code +31-594-(500000...509999) located in Zuidhorn, Groningen (GR), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 594 Subscriber Number From : 500000 Subscriber Number To : 509999 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 : GR Region Name : Groningen City : Zuidhorn Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 53.2400 Longitude : 6.4100 ‹ previous : +31-594-(440000...449999) next › : +31-594-(510000...519999) Dialling Instructions For trunk calls: 0 594 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 594 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +31-594-500000 / 0031-594-500000 (0594-500000 / 0-594-500000) +31-594-500001 / 0031-594-500001 (0594-500001 / 0-594-500001) +31-594-500002 / 0031-594-500002 (0594-500002 / 0-594-500002) +31-594-500003 / 0031-594-500003 (0594-500003 / 0-594-500003) +31-594-500004 / 0031-594-500004 (0594-500004 / 0-594-500004) ...+31-594-xxxxxx / 0031-594-xxxxxx (0594-xxxxxx / 0-594-xxxxxx) ...+31-594-509995 / 0031-594-509995 (0594-509995 / 0-594-509995) +31-594-509996 / 0031-594-509996 (0594-509996 / 0-594-509996) +31-594-509997 / 0031-594-509997 (0594-509997 / 0-594-509997) +31-594-509998 / 0031-594-509998 (0594-509998 / 0-594-509998) +31-594-509999 / 0031-594-509999 (0594-509999 / 0-594-509999)