Area Code +31-20-(5050000...5050999) 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 : 5050000 Subscriber Number To : 5050999 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 : Voiped C.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-(5040000...5049999) next › : +31-20-(5060000...5069999) Dialling Instructions For trunk calls: 0 20 5050000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 20 5050000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5050000 ~ 5050999 (Count: 1,000) Example: +31-20-5050000 / 0031-20-5050000 (020-5050000 / 0-20-5050000) +31-20-5050001 / 0031-20-5050001 (020-5050001 / 0-20-5050001) +31-20-5050002 / 0031-20-5050002 (020-5050002 / 0-20-5050002) +31-20-5050003 / 0031-20-5050003 (020-5050003 / 0-20-5050003) +31-20-5050004 / 0031-20-5050004 (020-5050004 / 0-20-5050004) ...+31-20-xxxxxxx / 0031-20-xxxxxxx (020-xxxxxxx / 0-20-xxxxxxx) ...+31-20-5050995 / 0031-20-5050995 (020-5050995 / 0-20-5050995) +31-20-5050996 / 0031-20-5050996 (020-5050996 / 0-20-5050996) +31-20-5050997 / 0031-20-5050997 (020-5050997 / 0-20-5050997) +31-20-5050998 / 0031-20-5050998 (020-5050998 / 0-20-5050998) +31-20-5050999 / 0031-20-5050999 (020-5050999 / 0-20-5050999)