Area Code +31-10-(2450000...2459999) located in Rotterdam, Zuid-Holland (ZH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 10 Subscriber Number From : 2450000 Subscriber Number To : 2459999 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 : KPN 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 : Rotterdam Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 51.9200 Longitude : 4.4700 ‹ previous : +31-10-(2440000...2449999) next › : +31-10-(2460000...2469999) Dialling Instructions For trunk calls: 0 10 2450000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 2450000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2450000 ~ 2459999 (Count: 10,000) Example: +31-10-2450000 / 0031-10-2450000 (010-2450000 / 0-10-2450000) +31-10-2450001 / 0031-10-2450001 (010-2450001 / 0-10-2450001) +31-10-2450002 / 0031-10-2450002 (010-2450002 / 0-10-2450002) +31-10-2450003 / 0031-10-2450003 (010-2450003 / 0-10-2450003) +31-10-2450004 / 0031-10-2450004 (010-2450004 / 0-10-2450004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-2459995 / 0031-10-2459995 (010-2459995 / 0-10-2459995) +31-10-2459996 / 0031-10-2459996 (010-2459996 / 0-10-2459996) +31-10-2459997 / 0031-10-2459997 (010-2459997 / 0-10-2459997) +31-10-2459998 / 0031-10-2459998 (010-2459998 / 0-10-2459998) +31-10-2459999 / 0031-10-2459999 (010-2459999 / 0-10-2459999)