Area Code +31-229-(570000...579999) located in Hoorn, Noord-Holland (NH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 229 Subscriber Number From : 570000 Subscriber Number To : 579999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : KPN 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 : Hoorn Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.6400 Longitude : 5.0600 ‹ previous : +31-229-(560000...569999) next › : +31-229-(580000...589999) Dialling Instructions For trunk calls: 0 229 570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 229 570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 570000 ~ 579999 (Count: 10,000) Example: +31-229-570000 / 0031-229-570000 (0229-570000 / 0-229-570000) +31-229-570001 / 0031-229-570001 (0229-570001 / 0-229-570001) +31-229-570002 / 0031-229-570002 (0229-570002 / 0-229-570002) +31-229-570003 / 0031-229-570003 (0229-570003 / 0-229-570003) +31-229-570004 / 0031-229-570004 (0229-570004 / 0-229-570004) ...+31-229-xxxxxx / 0031-229-xxxxxx (0229-xxxxxx / 0-229-xxxxxx) ...+31-229-579995 / 0031-229-579995 (0229-579995 / 0-229-579995) +31-229-579996 / 0031-229-579996 (0229-579996 / 0-229-579996) +31-229-579997 / 0031-229-579997 (0229-579997 / 0-229-579997) +31-229-579998 / 0031-229-579998 (0229-579998 / 0-229-579998) +31-229-579999 / 0031-229-579999 (0229-579999 / 0-229-579999)