Area Code +49-203-(553...55399999) 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 : 553 Subscriber Number To : 55399999 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-(5524...55249999) next › : +49-203-(5540...55409999) Dialling Instructions For trunk calls: 0 203 553 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 203 553 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 553 ~ 55399999 (Count: 55,399,447) Example: +49-203-00000553 / 0049-203-00000553 (0203-00000553 / 0-203-00000553) +49-203-00000554 / 0049-203-00000554 (0203-00000554 / 0-203-00000554) +49-203-00000555 / 0049-203-00000555 (0203-00000555 / 0-203-00000555) +49-203-00000556 / 0049-203-00000556 (0203-00000556 / 0-203-00000556) +49-203-00000557 / 0049-203-00000557 (0203-00000557 / 0-203-00000557) ...+49-203-xxxxxxxx / 0049-203-xxxxxxxx (0203-xxxxxxxx / 0-203-xxxxxxxx) ...+49-203-55399995 / 0049-203-55399995 (0203-55399995 / 0-203-55399995) +49-203-55399996 / 0049-203-55399996 (0203-55399996 / 0-203-55399996) +49-203-55399997 / 0049-203-55399997 (0203-55399997 / 0-203-55399997) +49-203-55399998 / 0049-203-55399998 (0203-55399998 / 0-203-55399998) +49-203-55399999 / 0049-203-55399999 (0203-55399999 / 0-203-55399999)