Area Code +31-20-(2131000...2140999) 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 : 2131000 Subscriber Number To : 2140999 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 : Weepee Telecom 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-(2130000...2130999) next › : +31-20-(2150000...2150999) Dialling Instructions For trunk calls: 0 20 2131000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 20 2131000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2131000 ~ 2140999 (Count: 10,000) Example: +31-20-2131000 / 0031-20-2131000 (020-2131000 / 0-20-2131000) +31-20-2131001 / 0031-20-2131001 (020-2131001 / 0-20-2131001) +31-20-2131002 / 0031-20-2131002 (020-2131002 / 0-20-2131002) +31-20-2131003 / 0031-20-2131003 (020-2131003 / 0-20-2131003) +31-20-2131004 / 0031-20-2131004 (020-2131004 / 0-20-2131004) ...+31-20-xxxxxxx / 0031-20-xxxxxxx (020-xxxxxxx / 0-20-xxxxxxx) ...+31-20-2140995 / 0031-20-2140995 (020-2140995 / 0-20-2140995) +31-20-2140996 / 0031-20-2140996 (020-2140996 / 0-20-2140996) +31-20-2140997 / 0031-20-2140997 (020-2140997 / 0-20-2140997) +31-20-2140998 / 0031-20-2140998 (020-2140998 / 0-20-2140998) +31-20-2140999 / 0031-20-2140999 (020-2140999 / 0-20-2140999)