Area Code +31-10-(7940000...7949999) 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 : 7940000 Subscriber Number To : 7949999 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 : Colt Technology Services 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-(7920000...7920999) next › : +31-10-(7950000...7959999) Dialling Instructions For trunk calls: 0 10 7940000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 10 7940000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7940000 ~ 7949999 (Count: 10,000) Example: +31-10-7940000 / 0031-10-7940000 (010-7940000 / 0-10-7940000) +31-10-7940001 / 0031-10-7940001 (010-7940001 / 0-10-7940001) +31-10-7940002 / 0031-10-7940002 (010-7940002 / 0-10-7940002) +31-10-7940003 / 0031-10-7940003 (010-7940003 / 0-10-7940003) +31-10-7940004 / 0031-10-7940004 (010-7940004 / 0-10-7940004) ...+31-10-xxxxxxx / 0031-10-xxxxxxx (010-xxxxxxx / 0-10-xxxxxxx) ...+31-10-7949995 / 0031-10-7949995 (010-7949995 / 0-10-7949995) +31-10-7949996 / 0031-10-7949996 (010-7949996 / 0-10-7949996) +31-10-7949997 / 0031-10-7949997 (010-7949997 / 0-10-7949997) +31-10-7949998 / 0031-10-7949998 (010-7949998 / 0-10-7949998) +31-10-7949999 / 0031-10-7949999 (010-7949999 / 0-10-7949999)