Area Code +49-221-(57279000...57279999) located in Köln, Nordrhein-Westfalen (NW), more detail is as below. Place International Dialing Code : 49 International Prefix : 00 National Prefix : 0 National Destination Code : 221 Subscriber Number From : 57279000 Subscriber Number To : 57279999 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 : 3U Telecom 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 : Köln Timezone : Europe/Berlin Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 50.9700 Longitude : 6.9500 ‹ previous : +49-221-(57274000...57274999) next › : +49-221-(5777000...5777999) Dialling Instructions For trunk calls: 0 221 57279000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 221 57279000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 57279000 ~ 57279999 (Count: 1,000) Example: +49-221-57279000 / 0049-221-57279000 (0221-57279000 / 0-221-57279000) +49-221-57279001 / 0049-221-57279001 (0221-57279001 / 0-221-57279001) +49-221-57279002 / 0049-221-57279002 (0221-57279002 / 0-221-57279002) +49-221-57279003 / 0049-221-57279003 (0221-57279003 / 0-221-57279003) +49-221-57279004 / 0049-221-57279004 (0221-57279004 / 0-221-57279004) ...+49-221-xxxxxxxx / 0049-221-xxxxxxxx (0221-xxxxxxxx / 0-221-xxxxxxxx) ...+49-221-57279995 / 0049-221-57279995 (0221-57279995 / 0-221-57279995) +49-221-57279996 / 0049-221-57279996 (0221-57279996 / 0-221-57279996) +49-221-57279997 / 0049-221-57279997 (0221-57279997 / 0-221-57279997) +49-221-57279998 / 0049-221-57279998 (0221-57279998 / 0-221-57279998) +49-221-57279999 / 0049-221-57279999 (0221-57279999 / 0-221-57279999)