Area Code +31-20-(2111000...2111999) 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 : 2111000 Subscriber Number To : 2111999 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 : ACM 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-(2110000...2110999) next › : +31-20-(2112000...2112999) Dialling Instructions For trunk calls: 0 20 2111000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 20 2111000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2111000 ~ 2111999 (Count: 1,000) Example: +31-20-2111000 / 0031-20-2111000 (020-2111000 / 0-20-2111000) +31-20-2111001 / 0031-20-2111001 (020-2111001 / 0-20-2111001) +31-20-2111002 / 0031-20-2111002 (020-2111002 / 0-20-2111002) +31-20-2111003 / 0031-20-2111003 (020-2111003 / 0-20-2111003) +31-20-2111004 / 0031-20-2111004 (020-2111004 / 0-20-2111004) ...+31-20-xxxxxxx / 0031-20-xxxxxxx (020-xxxxxxx / 0-20-xxxxxxx) ...+31-20-2111995 / 0031-20-2111995 (020-2111995 / 0-20-2111995) +31-20-2111996 / 0031-20-2111996 (020-2111996 / 0-20-2111996) +31-20-2111997 / 0031-20-2111997 (020-2111997 / 0-20-2111997) +31-20-2111998 / 0031-20-2111998 (020-2111998 / 0-20-2111998) +31-20-2111999 / 0031-20-2111999 (020-2111999 / 0-20-2111999)