Area Code +31-45-(7810000...7819999) 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 : 7810000 Subscriber Number To : 7819999 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 : VoipZeker 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-(7800000...7809999) next › : +31-45-(7820000...7820999) Dialling Instructions For trunk calls: 0 45 7810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 45 7810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7810000 ~ 7819999 (Count: 10,000) Example: +31-45-7810000 / 0031-45-7810000 (045-7810000 / 0-45-7810000) +31-45-7810001 / 0031-45-7810001 (045-7810001 / 0-45-7810001) +31-45-7810002 / 0031-45-7810002 (045-7810002 / 0-45-7810002) +31-45-7810003 / 0031-45-7810003 (045-7810003 / 0-45-7810003) +31-45-7810004 / 0031-45-7810004 (045-7810004 / 0-45-7810004) ...+31-45-xxxxxxx / 0031-45-xxxxxxx (045-xxxxxxx / 0-45-xxxxxxx) ...+31-45-7819995 / 0031-45-7819995 (045-7819995 / 0-45-7819995) +31-45-7819996 / 0031-45-7819996 (045-7819996 / 0-45-7819996) +31-45-7819997 / 0031-45-7819997 (045-7819997 / 0-45-7819997) +31-45-7819998 / 0031-45-7819998 (045-7819998 / 0-45-7819998) +31-45-7819999 / 0031-45-7819999 (045-7819999 / 0-45-7819999)