Area Code +31-20-(4500000...4509999) located in Amsterdam, Noord-Holland (NH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 20 Subscriber Number From : 4500000 Subscriber Number To : 4509999 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 : Technos 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 : NH Region Name : Noord-Holland City : Amsterdam Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.3700 Longitude : 4.8900 ‹ previous : +31-20-(4490000...4499999) next › : +31-20-(4510000...4519999) Dialling Instructions For trunk calls: 0 20 4500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 20 4500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4500000 ~ 4509999 (Count: 10,000) Example: +31-20-4500000 / 0031-20-4500000 (020-4500000 / 0-20-4500000) +31-20-4500001 / 0031-20-4500001 (020-4500001 / 0-20-4500001) +31-20-4500002 / 0031-20-4500002 (020-4500002 / 0-20-4500002) +31-20-4500003 / 0031-20-4500003 (020-4500003 / 0-20-4500003) +31-20-4500004 / 0031-20-4500004 (020-4500004 / 0-20-4500004) ...+31-20-xxxxxxx / 0031-20-xxxxxxx (020-xxxxxxx / 0-20-xxxxxxx) ...+31-20-4509995 / 0031-20-4509995 (020-4509995 / 0-20-4509995) +31-20-4509996 / 0031-20-4509996 (020-4509996 / 0-20-4509996) +31-20-4509997 / 0031-20-4509997 (020-4509997 / 0-20-4509997) +31-20-4509998 / 0031-20-4509998 (020-4509998 / 0-20-4509998) +31-20-4509999 / 0031-20-4509999 (020-4509999 / 0-20-4509999)
