Area Code +31-172-(242000...242999) 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 : 242000 Subscriber Number To : 242999 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-(241000...241999) next › : +31-172-(243000...243999) Dialling Instructions For trunk calls: 0 172 242000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 172 242000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 242000 ~ 242999 (Count: 1,000) Example: +31-172-242000 / 0031-172-242000 (0172-242000 / 0-172-242000) +31-172-242001 / 0031-172-242001 (0172-242001 / 0-172-242001) +31-172-242002 / 0031-172-242002 (0172-242002 / 0-172-242002) +31-172-242003 / 0031-172-242003 (0172-242003 / 0-172-242003) +31-172-242004 / 0031-172-242004 (0172-242004 / 0-172-242004) ...+31-172-xxxxxx / 0031-172-xxxxxx (0172-xxxxxx / 0-172-xxxxxx) ...+31-172-242995 / 0031-172-242995 (0172-242995 / 0-172-242995) +31-172-242996 / 0031-172-242996 (0172-242996 / 0-172-242996) +31-172-242997 / 0031-172-242997 (0172-242997 / 0-172-242997) +31-172-242998 / 0031-172-242998 (0172-242998 / 0-172-242998) +31-172-242999 / 0031-172-242999 (0172-242999 / 0-172-242999)