Area Code +31-252-(231000...231999) located in Hillegom, Zuid-Holland (ZH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 252 Subscriber Number From : 231000 Subscriber Number To : 231999 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 : KPN 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 : Hillegom Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.2900 Longitude : 4.5800 ‹ previous : +31-252-(230000...230999) next › : +31-252-(232000...232999) Dialling Instructions For trunk calls: 0 252 231000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 252 231000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 231000 ~ 231999 (Count: 1,000) Example: +31-252-231000 / 0031-252-231000 (0252-231000 / 0-252-231000) +31-252-231001 / 0031-252-231001 (0252-231001 / 0-252-231001) +31-252-231002 / 0031-252-231002 (0252-231002 / 0-252-231002) +31-252-231003 / 0031-252-231003 (0252-231003 / 0-252-231003) +31-252-231004 / 0031-252-231004 (0252-231004 / 0-252-231004) ...+31-252-xxxxxx / 0031-252-xxxxxx (0252-xxxxxx / 0-252-xxxxxx) ...+31-252-231995 / 0031-252-231995 (0252-231995 / 0-252-231995) +31-252-231996 / 0031-252-231996 (0252-231996 / 0-252-231996) +31-252-231997 / 0031-252-231997 (0252-231997 / 0-252-231997) +31-252-231998 / 0031-252-231998 (0252-231998 / 0-252-231998) +31-252-231999 / 0031-252-231999 (0252-231999 / 0-252-231999)