Area Code +31-172-(230000...230999) located in Alphen aan den Rijn, Zuid-Holland (ZH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 172 Subscriber Number From : 230000 Subscriber Number To : 230999 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 : ZH Region Name : Zuid-Holland City : Alphen aan den Rijn Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.1300 Longitude : 4.6600 ‹ previous : +31-172-(227000...227999) next › : +31-172-(231000...231999) Dialling Instructions For trunk calls: 0 172 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 172 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 230999 (Count: 1,000) Example: +31-172-230000 / 0031-172-230000 (0172-230000 / 0-172-230000) +31-172-230001 / 0031-172-230001 (0172-230001 / 0-172-230001) +31-172-230002 / 0031-172-230002 (0172-230002 / 0-172-230002) +31-172-230003 / 0031-172-230003 (0172-230003 / 0-172-230003) +31-172-230004 / 0031-172-230004 (0172-230004 / 0-172-230004) ...+31-172-xxxxxx / 0031-172-xxxxxx (0172-xxxxxx / 0-172-xxxxxx) ...+31-172-230995 / 0031-172-230995 (0172-230995 / 0-172-230995) +31-172-230996 / 0031-172-230996 (0172-230996 / 0-172-230996) +31-172-230997 / 0031-172-230997 (0172-230997 / 0-172-230997) +31-172-230998 / 0031-172-230998 (0172-230998 / 0-172-230998) +31-172-230999 / 0031-172-230999 (0172-230999 / 0-172-230999)
