Area Code +49-231-(3949000...3949999) 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 : 3949000 Subscriber Number To : 3949999 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 : First Communication 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-(3946000...3946999) next › : +49-231-(3950000...3950999) Dialling Instructions For trunk calls: 0 231 3949000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 231 3949000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3949000 ~ 3949999 (Count: 1,000) Example: +49-231-3949000 / 0049-231-3949000 (0231-3949000 / 0-231-3949000) +49-231-3949001 / 0049-231-3949001 (0231-3949001 / 0-231-3949001) +49-231-3949002 / 0049-231-3949002 (0231-3949002 / 0-231-3949002) +49-231-3949003 / 0049-231-3949003 (0231-3949003 / 0-231-3949003) +49-231-3949004 / 0049-231-3949004 (0231-3949004 / 0-231-3949004) ...+49-231-xxxxxxx / 0049-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+49-231-3949995 / 0049-231-3949995 (0231-3949995 / 0-231-3949995) +49-231-3949996 / 0049-231-3949996 (0231-3949996 / 0-231-3949996) +49-231-3949997 / 0049-231-3949997 (0231-3949997 / 0-231-3949997) +49-231-3949998 / 0049-231-3949998 (0231-3949998 / 0-231-3949998) +49-231-3949999 / 0049-231-3949999 (0231-3949999 / 0-231-3949999)