Area Code +31-45-(8510000...8510999) 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 : 8510000 Subscriber Number To : 8510999 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 : Ziggo 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-(8500000...8509999) next › : +31-45-(8511000...8511999) Dialling Instructions For trunk calls: 0 45 8510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 45 8510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8510000 ~ 8510999 (Count: 1,000) Example: +31-45-8510000 / 0031-45-8510000 (045-8510000 / 0-45-8510000) +31-45-8510001 / 0031-45-8510001 (045-8510001 / 0-45-8510001) +31-45-8510002 / 0031-45-8510002 (045-8510002 / 0-45-8510002) +31-45-8510003 / 0031-45-8510003 (045-8510003 / 0-45-8510003) +31-45-8510004 / 0031-45-8510004 (045-8510004 / 0-45-8510004) ...+31-45-xxxxxxx / 0031-45-xxxxxxx (045-xxxxxxx / 0-45-xxxxxxx) ...+31-45-8510995 / 0031-45-8510995 (045-8510995 / 0-45-8510995) +31-45-8510996 / 0031-45-8510996 (045-8510996 / 0-45-8510996) +31-45-8510997 / 0031-45-8510997 (045-8510997 / 0-45-8510997) +31-45-8510998 / 0031-45-8510998 (045-8510998 / 0-45-8510998) +31-45-8510999 / 0031-45-8510999 (045-8510999 / 0-45-8510999)