Area Code +31-228-(310000...319999) located in Enkhuizen, Noord-Holland (NH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 228 Subscriber Number From : 310000 Subscriber Number To : 319999 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 : Enkhuizen Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.7000 Longitude : 5.2900 ‹ previous : +31-228-(220000...229999) next › : +31-228-(320000...329999) Dialling Instructions For trunk calls: 0 228 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 228 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +31-228-310000 / 0031-228-310000 (0228-310000 / 0-228-310000) +31-228-310001 / 0031-228-310001 (0228-310001 / 0-228-310001) +31-228-310002 / 0031-228-310002 (0228-310002 / 0-228-310002) +31-228-310003 / 0031-228-310003 (0228-310003 / 0-228-310003) +31-228-310004 / 0031-228-310004 (0228-310004 / 0-228-310004) ...+31-228-xxxxxx / 0031-228-xxxxxx (0228-xxxxxx / 0-228-xxxxxx) ...+31-228-319995 / 0031-228-319995 (0228-319995 / 0-228-319995) +31-228-319996 / 0031-228-319996 (0228-319996 / 0-228-319996) +31-228-319997 / 0031-228-319997 (0228-319997 / 0-228-319997) +31-228-319998 / 0031-228-319998 (0228-319998 / 0-228-319998) +31-228-319999 / 0031-228-319999 (0228-319999 / 0-228-319999)