Area Code +31-492-(391000...391999) 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 : 391000 Subscriber Number To : 391999 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-(390000...390999) next › : +31-492-(392000...392999) Dialling Instructions For trunk calls: 0 492 391000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 492 391000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 391000 ~ 391999 (Count: 1,000) Example: +31-492-391000 / 0031-492-391000 (0492-391000 / 0-492-391000) +31-492-391001 / 0031-492-391001 (0492-391001 / 0-492-391001) +31-492-391002 / 0031-492-391002 (0492-391002 / 0-492-391002) +31-492-391003 / 0031-492-391003 (0492-391003 / 0-492-391003) +31-492-391004 / 0031-492-391004 (0492-391004 / 0-492-391004) ...+31-492-xxxxxx / 0031-492-xxxxxx (0492-xxxxxx / 0-492-xxxxxx) ...+31-492-391995 / 0031-492-391995 (0492-391995 / 0-492-391995) +31-492-391996 / 0031-492-391996 (0492-391996 / 0-492-391996) +31-492-391997 / 0031-492-391997 (0492-391997 / 0-492-391997) +31-492-391998 / 0031-492-391998 (0492-391998 / 0-492-391998) +31-492-391999 / 0031-492-391999 (0492-391999 / 0-492-391999)