Area Code +31-23-(8100000...8100999) located in Haarlem, Noord-Holland (NH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 23 Subscriber Number From : 8100000 Subscriber Number To : 8100999 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 : Hilf 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 : NH Region Name : Noord-Holland City : Haarlem Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.3800 Longitude : 4.6400 ‹ previous : +31-23-(8080000...8089999) next › : +31-23-(8110000...8119999) Dialling Instructions For trunk calls: 0 23 8100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 23 8100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8100000 ~ 8100999 (Count: 1,000) Example: +31-23-8100000 / 0031-23-8100000 (023-8100000 / 0-23-8100000) +31-23-8100001 / 0031-23-8100001 (023-8100001 / 0-23-8100001) +31-23-8100002 / 0031-23-8100002 (023-8100002 / 0-23-8100002) +31-23-8100003 / 0031-23-8100003 (023-8100003 / 0-23-8100003) +31-23-8100004 / 0031-23-8100004 (023-8100004 / 0-23-8100004) ...+31-23-xxxxxxx / 0031-23-xxxxxxx (023-xxxxxxx / 0-23-xxxxxxx) ...+31-23-8100995 / 0031-23-8100995 (023-8100995 / 0-23-8100995) +31-23-8100996 / 0031-23-8100996 (023-8100996 / 0-23-8100996) +31-23-8100997 / 0031-23-8100997 (023-8100997 / 0-23-8100997) +31-23-8100998 / 0031-23-8100998 (023-8100998 / 0-23-8100998) +31-23-8100999 / 0031-23-8100999 (023-8100999 / 0-23-8100999)
