Area Code +31-492-(399000...399999) 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 : 399000 Subscriber Number To : 399999 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 : 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-(398000...398999) next › : +31-492-(430000...430999) Dialling Instructions For trunk calls: 0 492 399000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 492 399000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 399000 ~ 399999 (Count: 1,000) Example: +31-492-399000 / 0031-492-399000 (0492-399000 / 0-492-399000) +31-492-399001 / 0031-492-399001 (0492-399001 / 0-492-399001) +31-492-399002 / 0031-492-399002 (0492-399002 / 0-492-399002) +31-492-399003 / 0031-492-399003 (0492-399003 / 0-492-399003) +31-492-399004 / 0031-492-399004 (0492-399004 / 0-492-399004) ...+31-492-xxxxxx / 0031-492-xxxxxx (0492-xxxxxx / 0-492-xxxxxx) ...+31-492-399995 / 0031-492-399995 (0492-399995 / 0-492-399995) +31-492-399996 / 0031-492-399996 (0492-399996 / 0-492-399996) +31-492-399997 / 0031-492-399997 (0492-399997 / 0-492-399997) +31-492-399998 / 0031-492-399998 (0492-399998 / 0-492-399998) +31-492-399999 / 0031-492-399999 (0492-399999 / 0-492-399999)