Area Code +31-181-(850000...859999) located in Spijkenisse, Zuid-Holland (ZH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 181 Subscriber Number From : 850000 Subscriber Number To : 859999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : UPC Nederland 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 : ZH Region Name : Zuid-Holland City : Spijkenisse Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 51.8500 Longitude : 4.3300 ‹ previous : +31-181-(840000...849999) next › : +31-181-(870000...870999) Dialling Instructions For trunk calls: 0 181 850000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 181 850000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 850000 ~ 859999 (Count: 10,000) Example: +31-181-850000 / 0031-181-850000 (0181-850000 / 0-181-850000) +31-181-850001 / 0031-181-850001 (0181-850001 / 0-181-850001) +31-181-850002 / 0031-181-850002 (0181-850002 / 0-181-850002) +31-181-850003 / 0031-181-850003 (0181-850003 / 0-181-850003) +31-181-850004 / 0031-181-850004 (0181-850004 / 0-181-850004) ...+31-181-xxxxxx / 0031-181-xxxxxx (0181-xxxxxx / 0-181-xxxxxx) ...+31-181-859995 / 0031-181-859995 (0181-859995 / 0-181-859995) +31-181-859996 / 0031-181-859996 (0181-859996 / 0-181-859996) +31-181-859997 / 0031-181-859997 (0181-859997 / 0-181-859997) +31-181-859998 / 0031-181-859998 (0181-859998 / 0-181-859998) +31-181-859999 / 0031-181-859999 (0181-859999 / 0-181-859999)