Area Code +31-492-(378000...378999) located in Helmond, Noord-Brabant (NB), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 492 Subscriber Number From : 378000 Subscriber Number To : 378999 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 : NB Region Name : Noord-Brabant City : Helmond Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 51.4800 Longitude : 5.6500 ‹ previous : +31-492-(377000...377999) next › : +31-492-(379000...379999) Dialling Instructions For trunk calls: 0 492 378000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 492 378000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 378000 ~ 378999 (Count: 1,000) Example: +31-492-378000 / 0031-492-378000 (0492-378000 / 0-492-378000) +31-492-378001 / 0031-492-378001 (0492-378001 / 0-492-378001) +31-492-378002 / 0031-492-378002 (0492-378002 / 0-492-378002) +31-492-378003 / 0031-492-378003 (0492-378003 / 0-492-378003) +31-492-378004 / 0031-492-378004 (0492-378004 / 0-492-378004) ...+31-492-xxxxxx / 0031-492-xxxxxx (0492-xxxxxx / 0-492-xxxxxx) ...+31-492-378995 / 0031-492-378995 (0492-378995 / 0-492-378995) +31-492-378996 / 0031-492-378996 (0492-378996 / 0-492-378996) +31-492-378997 / 0031-492-378997 (0492-378997 / 0-492-378997) +31-492-378998 / 0031-492-378998 (0492-378998 / 0-492-378998) +31-492-378999 / 0031-492-378999 (0492-378999 / 0-492-378999)