Area Code +31-172-(790000...790999) 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 : 790000 Subscriber Number To : 790999 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 : Voiperator 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-(789000...789999) next › : +31-172-(791000...791999) Dialling Instructions For trunk calls: 0 172 790000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 172 790000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 790000 ~ 790999 (Count: 1,000) Example: +31-172-790000 / 0031-172-790000 (0172-790000 / 0-172-790000) +31-172-790001 / 0031-172-790001 (0172-790001 / 0-172-790001) +31-172-790002 / 0031-172-790002 (0172-790002 / 0-172-790002) +31-172-790003 / 0031-172-790003 (0172-790003 / 0-172-790003) +31-172-790004 / 0031-172-790004 (0172-790004 / 0-172-790004) ...+31-172-xxxxxx / 0031-172-xxxxxx (0172-xxxxxx / 0-172-xxxxxx) ...+31-172-790995 / 0031-172-790995 (0172-790995 / 0-172-790995) +31-172-790996 / 0031-172-790996 (0172-790996 / 0-172-790996) +31-172-790997 / 0031-172-790997 (0172-790997 / 0-172-790997) +31-172-790998 / 0031-172-790998 (0172-790998 / 0-172-790998) +31-172-790999 / 0031-172-790999 (0172-790999 / 0-172-790999)