Area Code +31-20-(4402000...4402999) 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 : 4402000 Subscriber Number To : 4402999 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 : InterConnect Services 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-(4360000...4369999) next › : +31-20-(4410000...4419999) Dialling Instructions For trunk calls: 0 20 4402000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 20 4402000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4402000 ~ 4402999 (Count: 1,000) Example: +31-20-4402000 / 0031-20-4402000 (020-4402000 / 0-20-4402000) +31-20-4402001 / 0031-20-4402001 (020-4402001 / 0-20-4402001) +31-20-4402002 / 0031-20-4402002 (020-4402002 / 0-20-4402002) +31-20-4402003 / 0031-20-4402003 (020-4402003 / 0-20-4402003) +31-20-4402004 / 0031-20-4402004 (020-4402004 / 0-20-4402004) ...+31-20-xxxxxxx / 0031-20-xxxxxxx (020-xxxxxxx / 0-20-xxxxxxx) ...+31-20-4402995 / 0031-20-4402995 (020-4402995 / 0-20-4402995) +31-20-4402996 / 0031-20-4402996 (020-4402996 / 0-20-4402996) +31-20-4402997 / 0031-20-4402997 (020-4402997 / 0-20-4402997) +31-20-4402998 / 0031-20-4402998 (020-4402998 / 0-20-4402998) +31-20-4402999 / 0031-20-4402999 (020-4402999 / 0-20-4402999)