Area Code +49-203-(7399000...7399999) located in Duisburg, Nordrhein-Westfalen (NW), more detail is as below. Place International Dialing Code : 49 International Prefix : 00 National Prefix : 0 National Destination Code : 203 Subscriber Number From : 7399000 Subscriber Number To : 7399999 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 : Telekom Deutschland 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 : Duisburg Timezone : Europe/Berlin Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 51.4300 Longitude : 6.7600 ‹ previous : +49-203-(7398000...7398999) next › : +49-203-(74974000...74974999) Dialling Instructions For trunk calls: 0 203 7399000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 203 7399000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7399000 ~ 7399999 (Count: 1,000) Example: +49-203-7399000 / 0049-203-7399000 (0203-7399000 / 0-203-7399000) +49-203-7399001 / 0049-203-7399001 (0203-7399001 / 0-203-7399001) +49-203-7399002 / 0049-203-7399002 (0203-7399002 / 0-203-7399002) +49-203-7399003 / 0049-203-7399003 (0203-7399003 / 0-203-7399003) +49-203-7399004 / 0049-203-7399004 (0203-7399004 / 0-203-7399004) ...+49-203-xxxxxxx / 0049-203-xxxxxxx (0203-xxxxxxx / 0-203-xxxxxxx) ...+49-203-7399995 / 0049-203-7399995 (0203-7399995 / 0-203-7399995) +49-203-7399996 / 0049-203-7399996 (0203-7399996 / 0-203-7399996) +49-203-7399997 / 0049-203-7399997 (0203-7399997 / 0-203-7399997) +49-203-7399998 / 0049-203-7399998 (0203-7399998 / 0-203-7399998) +49-203-7399999 / 0049-203-7399999 (0203-7399999 / 0-203-7399999)