Area Code +49-203-(667...66799999) 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 : 667 Subscriber Number To : 66799999 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 : Deutsche Telekom 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 : 52.5000 Longitude : 13.3700 ‹ previous : +49-203-(666...66699999) next › : +49-203-(6688...66889999) Dialling Instructions For trunk calls: 0 203 667 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 203 667 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 667 ~ 66799999 (Count: 66,799,333) Example: +49-203-00000667 / 0049-203-00000667 (0203-00000667 / 0-203-00000667) +49-203-00000668 / 0049-203-00000668 (0203-00000668 / 0-203-00000668) +49-203-00000669 / 0049-203-00000669 (0203-00000669 / 0-203-00000669) +49-203-00000670 / 0049-203-00000670 (0203-00000670 / 0-203-00000670) +49-203-00000671 / 0049-203-00000671 (0203-00000671 / 0-203-00000671) ...+49-203-xxxxxxxx / 0049-203-xxxxxxxx (0203-xxxxxxxx / 0-203-xxxxxxxx) ...+49-203-66799995 / 0049-203-66799995 (0203-66799995 / 0-203-66799995) +49-203-66799996 / 0049-203-66799996 (0203-66799996 / 0-203-66799996) +49-203-66799997 / 0049-203-66799997 (0203-66799997 / 0-203-66799997) +49-203-66799998 / 0049-203-66799998 (0203-66799998 / 0-203-66799998) +49-203-66799999 / 0049-203-66799999 (0203-66799999 / 0-203-66799999)