Area Code +49-231-(98779000...98779999) located in Dortmund, Nordrhein-Westfalen (NW), more detail is as below. Place International Dialing Code : 49 International Prefix : 00 National Prefix : 0 National Destination Code : 231 Subscriber Number From : 98779000 Subscriber Number To : 98779999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 11 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : PLANinterNET VoIP-GmbH Click here to buy Germany Area Code Database Other Information Language Code : de (German) Country Number : 276 (Germany) Country Code : DE (Germany) Region Code : NW Region Name : Nordrhein-Westfalen City : Dortmund Timezone : Europe/Berlin Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 51.5200 Longitude : 7.4700 ‹ previous : +49-231-(98719000...98719999) next › : +49-231-(98814000...98814999) Dialling Instructions For trunk calls: 0 231 98779000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 231 98779000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 98779000 ~ 98779999 (Count: 1,000) Example: +49-231-98779000 / 0049-231-98779000 (0231-98779000 / 0-231-98779000) +49-231-98779001 / 0049-231-98779001 (0231-98779001 / 0-231-98779001) +49-231-98779002 / 0049-231-98779002 (0231-98779002 / 0-231-98779002) +49-231-98779003 / 0049-231-98779003 (0231-98779003 / 0-231-98779003) +49-231-98779004 / 0049-231-98779004 (0231-98779004 / 0-231-98779004) ...+49-231-xxxxxxxx / 0049-231-xxxxxxxx (0231-xxxxxxxx / 0-231-xxxxxxxx) ...+49-231-98779995 / 0049-231-98779995 (0231-98779995 / 0-231-98779995) +49-231-98779996 / 0049-231-98779996 (0231-98779996 / 0-231-98779996) +49-231-98779997 / 0049-231-98779997 (0231-98779997 / 0-231-98779997) +49-231-98779998 / 0049-231-98779998 (0231-98779998 / 0-231-98779998) +49-231-98779999 / 0049-231-98779999 (0231-98779999 / 0-231-98779999)