Area Code +31-30-(4200000...4200999) located in Utrecht, Utrecht (UT), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 30 Subscriber Number From : 4200000 Subscriber Number To : 4200999 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 : Redworks 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 : UT Region Name : Utrecht City : Utrecht Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.0900 Longitude : 5.1200 ‹ previous : +31-30-(4109000...4109999) next › : +31-30-(4300000...4300999) Dialling Instructions For trunk calls: 0 30 4200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 30 4200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4200000 ~ 4200999 (Count: 1,000) Example: +31-30-4200000 / 0031-30-4200000 (030-4200000 / 0-30-4200000) +31-30-4200001 / 0031-30-4200001 (030-4200001 / 0-30-4200001) +31-30-4200002 / 0031-30-4200002 (030-4200002 / 0-30-4200002) +31-30-4200003 / 0031-30-4200003 (030-4200003 / 0-30-4200003) +31-30-4200004 / 0031-30-4200004 (030-4200004 / 0-30-4200004) ...+31-30-xxxxxxx / 0031-30-xxxxxxx (030-xxxxxxx / 0-30-xxxxxxx) ...+31-30-4200995 / 0031-30-4200995 (030-4200995 / 0-30-4200995) +31-30-4200996 / 0031-30-4200996 (030-4200996 / 0-30-4200996) +31-30-4200997 / 0031-30-4200997 (030-4200997 / 0-30-4200997) +31-30-4200998 / 0031-30-4200998 (030-4200998 / 0-30-4200998) +31-30-4200999 / 0031-30-4200999 (030-4200999 / 0-30-4200999)