Area Code +31-45-(3690000...3690999) 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 : 3690000 Subscriber Number To : 3690999 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 : MaxiTEL Telecom 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-(3060000...3060999) next › : +31-45-(3720000...3720999) Dialling Instructions For trunk calls: 0 45 3690000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 45 3690000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3690000 ~ 3690999 (Count: 1,000) Example: +31-45-3690000 / 0031-45-3690000 (045-3690000 / 0-45-3690000) +31-45-3690001 / 0031-45-3690001 (045-3690001 / 0-45-3690001) +31-45-3690002 / 0031-45-3690002 (045-3690002 / 0-45-3690002) +31-45-3690003 / 0031-45-3690003 (045-3690003 / 0-45-3690003) +31-45-3690004 / 0031-45-3690004 (045-3690004 / 0-45-3690004) ...+31-45-xxxxxxx / 0031-45-xxxxxxx (045-xxxxxxx / 0-45-xxxxxxx) ...+31-45-3690995 / 0031-45-3690995 (045-3690995 / 0-45-3690995) +31-45-3690996 / 0031-45-3690996 (045-3690996 / 0-45-3690996) +31-45-3690997 / 0031-45-3690997 (045-3690997 / 0-45-3690997) +31-45-3690998 / 0031-45-3690998 (045-3690998 / 0-45-3690998) +31-45-3690999 / 0031-45-3690999 (045-3690999 / 0-45-3690999)