Area Code +31-172-(784000...784999) 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 : 784000 Subscriber Number To : 784999 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 : Radik 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-(783000...783999) next › : +31-172-(785000...785999) Dialling Instructions For trunk calls: 0 172 784000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 172 784000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 784000 ~ 784999 (Count: 1,000) Example: +31-172-784000 / 0031-172-784000 (0172-784000 / 0-172-784000) +31-172-784001 / 0031-172-784001 (0172-784001 / 0-172-784001) +31-172-784002 / 0031-172-784002 (0172-784002 / 0-172-784002) +31-172-784003 / 0031-172-784003 (0172-784003 / 0-172-784003) +31-172-784004 / 0031-172-784004 (0172-784004 / 0-172-784004) ...+31-172-xxxxxx / 0031-172-xxxxxx (0172-xxxxxx / 0-172-xxxxxx) ...+31-172-784995 / 0031-172-784995 (0172-784995 / 0-172-784995) +31-172-784996 / 0031-172-784996 (0172-784996 / 0-172-784996) +31-172-784997 / 0031-172-784997 (0172-784997 / 0-172-784997) +31-172-784998 / 0031-172-784998 (0172-784998 / 0-172-784998) +31-172-784999 / 0031-172-784999 (0172-784999 / 0-172-784999)