Area Code +31-45-(2300000...2300999) 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 : 2300000 Subscriber Number To : 2300999 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 : POCOS 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-(2200000...2200999) next › : +31-45-(2310000...2310999) Dialling Instructions For trunk calls: 0 45 2300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 45 2300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2300000 ~ 2300999 (Count: 1,000) Example: +31-45-2300000 / 0031-45-2300000 (045-2300000 / 0-45-2300000) +31-45-2300001 / 0031-45-2300001 (045-2300001 / 0-45-2300001) +31-45-2300002 / 0031-45-2300002 (045-2300002 / 0-45-2300002) +31-45-2300003 / 0031-45-2300003 (045-2300003 / 0-45-2300003) +31-45-2300004 / 0031-45-2300004 (045-2300004 / 0-45-2300004) ...+31-45-xxxxxxx / 0031-45-xxxxxxx (045-xxxxxxx / 0-45-xxxxxxx) ...+31-45-2300995 / 0031-45-2300995 (045-2300995 / 0-45-2300995) +31-45-2300996 / 0031-45-2300996 (045-2300996 / 0-45-2300996) +31-45-2300997 / 0031-45-2300997 (045-2300997 / 0-45-2300997) +31-45-2300998 / 0031-45-2300998 (045-2300998 / 0-45-2300998) +31-45-2300999 / 0031-45-2300999 (045-2300999 / 0-45-2300999)