Area Code +31-174-(500000...509999) located in Naaldwijk, Zuid-Holland (ZH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 174 Subscriber Number From : 500000 Subscriber Number To : 509999 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 : Naaldwijk Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 51.9900 Longitude : 4.2100 ‹ previous : +31-174-(449000...449999) next › : +31-174-(510000...519999) Dialling Instructions For trunk calls: 0 174 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 174 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +31-174-500000 / 0031-174-500000 (0174-500000 / 0-174-500000) +31-174-500001 / 0031-174-500001 (0174-500001 / 0-174-500001) +31-174-500002 / 0031-174-500002 (0174-500002 / 0-174-500002) +31-174-500003 / 0031-174-500003 (0174-500003 / 0-174-500003) +31-174-500004 / 0031-174-500004 (0174-500004 / 0-174-500004) ...+31-174-xxxxxx / 0031-174-xxxxxx (0174-xxxxxx / 0-174-xxxxxx) ...+31-174-509995 / 0031-174-509995 (0174-509995 / 0-174-509995) +31-174-509996 / 0031-174-509996 (0174-509996 / 0-174-509996) +31-174-509997 / 0031-174-509997 (0174-509997 / 0-174-509997) +31-174-509998 / 0031-174-509998 (0174-509998 / 0-174-509998) +31-174-509999 / 0031-174-509999 (0174-509999 / 0-174-509999)