Area Code +31-20-(2000000...2009999) 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 : 2000000 Subscriber Number To : 2009999 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 : 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 : 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 : +31-187-(890000...899999) next › : +31-20-(2010000...2019999) Dialling Instructions For trunk calls: 0 20 2000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 20 2000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2000000 ~ 2009999 (Count: 10,000) Example: +31-20-2000000 / 0031-20-2000000 (020-2000000 / 0-20-2000000) +31-20-2000001 / 0031-20-2000001 (020-2000001 / 0-20-2000001) +31-20-2000002 / 0031-20-2000002 (020-2000002 / 0-20-2000002) +31-20-2000003 / 0031-20-2000003 (020-2000003 / 0-20-2000003) +31-20-2000004 / 0031-20-2000004 (020-2000004 / 0-20-2000004) ...+31-20-xxxxxxx / 0031-20-xxxxxxx (020-xxxxxxx / 0-20-xxxxxxx) ...+31-20-2009995 / 0031-20-2009995 (020-2009995 / 0-20-2009995) +31-20-2009996 / 0031-20-2009996 (020-2009996 / 0-20-2009996) +31-20-2009997 / 0031-20-2009997 (020-2009997 / 0-20-2009997) +31-20-2009998 / 0031-20-2009998 (020-2009998 / 0-20-2009998) +31-20-2009999 / 0031-20-2009999 (020-2009999 / 0-20-2009999)