Area Code +31-180-(730000...737999) located in Ridderkerk, Zuid-Holland (ZH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 180 Subscriber Number From : 730000 Subscriber Number To : 737999 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 : CAIW Diensten 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 : Ridderkerk Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 51.8700 Longitude : 4.6000 ‹ previous : +31-180-(729000...729999) next › : +31-180-(740000...740999) Dialling Instructions For trunk calls: 0 180 730000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 180 730000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 730000 ~ 737999 (Count: 8,000) Example: +31-180-730000 / 0031-180-730000 (0180-730000 / 0-180-730000) +31-180-730001 / 0031-180-730001 (0180-730001 / 0-180-730001) +31-180-730002 / 0031-180-730002 (0180-730002 / 0-180-730002) +31-180-730003 / 0031-180-730003 (0180-730003 / 0-180-730003) +31-180-730004 / 0031-180-730004 (0180-730004 / 0-180-730004) ...+31-180-xxxxxx / 0031-180-xxxxxx (0180-xxxxxx / 0-180-xxxxxx) ...+31-180-737995 / 0031-180-737995 (0180-737995 / 0-180-737995) +31-180-737996 / 0031-180-737996 (0180-737996 / 0-180-737996) +31-180-737997 / 0031-180-737997 (0180-737997 / 0-180-737997) +31-180-737998 / 0031-180-737998 (0180-737998 / 0-180-737998) +31-180-737999 / 0031-180-737999 (0180-737999 / 0-180-737999)