Area Code +31-43-(3870000...3879999) located in Maastricht, Limburg (LI), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 43 Subscriber Number From : 3870000 Subscriber Number To : 3879999 National Destination Code Length : 2 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 : LI Region Name : Limburg City : Maastricht Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.8500 Longitude : 5.6900 ‹ previous : +31-43-(3850000...3859999) next › : +31-43-(3880000...3889999) Dialling Instructions For trunk calls: 0 43 3870000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 43 3870000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3870000 ~ 3879999 (Count: 10,000) Example: +31-43-3870000 / 0031-43-3870000 (043-3870000 / 0-43-3870000) +31-43-3870001 / 0031-43-3870001 (043-3870001 / 0-43-3870001) +31-43-3870002 / 0031-43-3870002 (043-3870002 / 0-43-3870002) +31-43-3870003 / 0031-43-3870003 (043-3870003 / 0-43-3870003) +31-43-3870004 / 0031-43-3870004 (043-3870004 / 0-43-3870004) ...+31-43-xxxxxxx / 0031-43-xxxxxxx (043-xxxxxxx / 0-43-xxxxxxx) ...+31-43-3879995 / 0031-43-3879995 (043-3879995 / 0-43-3879995) +31-43-3879996 / 0031-43-3879996 (043-3879996 / 0-43-3879996) +31-43-3879997 / 0031-43-3879997 (043-3879997 / 0-43-3879997) +31-43-3879998 / 0031-43-3879998 (043-3879998 / 0-43-3879998) +31-43-3879999 / 0031-43-3879999 (043-3879999 / 0-43-3879999)