Area Code +31-30-(5500000...5500999) 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 : 5500000 Subscriber Number To : 5500999 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 : 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-(5113000...5113999) next › : +31-30-(6000000...6009999) Dialling Instructions For trunk calls: 0 30 5500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 30 5500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5500000 ~ 5500999 (Count: 1,000) Example: +31-30-5500000 / 0031-30-5500000 (030-5500000 / 0-30-5500000) +31-30-5500001 / 0031-30-5500001 (030-5500001 / 0-30-5500001) +31-30-5500002 / 0031-30-5500002 (030-5500002 / 0-30-5500002) +31-30-5500003 / 0031-30-5500003 (030-5500003 / 0-30-5500003) +31-30-5500004 / 0031-30-5500004 (030-5500004 / 0-30-5500004) ...+31-30-xxxxxxx / 0031-30-xxxxxxx (030-xxxxxxx / 0-30-xxxxxxx) ...+31-30-5500995 / 0031-30-5500995 (030-5500995 / 0-30-5500995) +31-30-5500996 / 0031-30-5500996 (030-5500996 / 0-30-5500996) +31-30-5500997 / 0031-30-5500997 (030-5500997 / 0-30-5500997) +31-30-5500998 / 0031-30-5500998 (030-5500998 / 0-30-5500998) +31-30-5500999 / 0031-30-5500999 (030-5500999 / 0-30-5500999)