Area Code +31-172-(239000...239999) 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 : 239000 Subscriber Number To : 239999 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 : ACM 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-(236000...236999) next › : +31-172-(240000...240999) Dialling Instructions For trunk calls: 0 172 239000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 172 239000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 239000 ~ 239999 (Count: 1,000) Example: +31-172-239000 / 0031-172-239000 (0172-239000 / 0-172-239000) +31-172-239001 / 0031-172-239001 (0172-239001 / 0-172-239001) +31-172-239002 / 0031-172-239002 (0172-239002 / 0-172-239002) +31-172-239003 / 0031-172-239003 (0172-239003 / 0-172-239003) +31-172-239004 / 0031-172-239004 (0172-239004 / 0-172-239004) ...+31-172-xxxxxx / 0031-172-xxxxxx (0172-xxxxxx / 0-172-xxxxxx) ...+31-172-239995 / 0031-172-239995 (0172-239995 / 0-172-239995) +31-172-239996 / 0031-172-239996 (0172-239996 / 0-172-239996) +31-172-239997 / 0031-172-239997 (0172-239997 / 0-172-239997) +31-172-239998 / 0031-172-239998 (0172-239998 / 0-172-239998) +31-172-239999 / 0031-172-239999 (0172-239999 / 0-172-239999)