Area Code +31-172-(791000...791999) 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 : 791000 Subscriber Number To : 791999 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 : onecentral 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-(790000...790999) next › : +31-172-(792000...794999) Dialling Instructions For trunk calls: 0 172 791000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 172 791000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 791000 ~ 791999 (Count: 1,000) Example: +31-172-791000 / 0031-172-791000 (0172-791000 / 0-172-791000) +31-172-791001 / 0031-172-791001 (0172-791001 / 0-172-791001) +31-172-791002 / 0031-172-791002 (0172-791002 / 0-172-791002) +31-172-791003 / 0031-172-791003 (0172-791003 / 0-172-791003) +31-172-791004 / 0031-172-791004 (0172-791004 / 0-172-791004) ...+31-172-xxxxxx / 0031-172-xxxxxx (0172-xxxxxx / 0-172-xxxxxx) ...+31-172-791995 / 0031-172-791995 (0172-791995 / 0-172-791995) +31-172-791996 / 0031-172-791996 (0172-791996 / 0-172-791996) +31-172-791997 / 0031-172-791997 (0172-791997 / 0-172-791997) +31-172-791998 / 0031-172-791998 (0172-791998 / 0-172-791998) +31-172-791999 / 0031-172-791999 (0172-791999 / 0-172-791999)