Area Code +31-45-(7850000...7859999) located in Heerlen, Limburg (LI), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 45 Subscriber Number From : 7850000 Subscriber Number To : 7859999 National Destination Code Length : 2 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 : LI Region Name : Limburg City : Heerlen Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.8800 Longitude : 5.9800 ‹ previous : +31-45-(7820000...7820999) next › : +31-45-(7890000...7890999) Dialling Instructions For trunk calls: 0 45 7850000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 45 7850000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7850000 ~ 7859999 (Count: 10,000) Example: +31-45-7850000 / 0031-45-7850000 (045-7850000 / 0-45-7850000) +31-45-7850001 / 0031-45-7850001 (045-7850001 / 0-45-7850001) +31-45-7850002 / 0031-45-7850002 (045-7850002 / 0-45-7850002) +31-45-7850003 / 0031-45-7850003 (045-7850003 / 0-45-7850003) +31-45-7850004 / 0031-45-7850004 (045-7850004 / 0-45-7850004) ...+31-45-xxxxxxx / 0031-45-xxxxxxx (045-xxxxxxx / 0-45-xxxxxxx) ...+31-45-7859995 / 0031-45-7859995 (045-7859995 / 0-45-7859995) +31-45-7859996 / 0031-45-7859996 (045-7859996 / 0-45-7859996) +31-45-7859997 / 0031-45-7859997 (045-7859997 / 0-45-7859997) +31-45-7859998 / 0031-45-7859998 (045-7859998 / 0-45-7859998) +31-45-7859999 / 0031-45-7859999 (045-7859999 / 0-45-7859999)