Area Code +49-221-(4730000...4730999) 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 : 4730000 Subscriber Number To : 4730999 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 : NETCOLOGNE 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-(47259000...47259999) next › : +49-221-(4731000...4731999) Dialling Instructions For trunk calls: 0 221 4730000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 221 4730000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4730000 ~ 4730999 (Count: 1,000) Example: +49-221-4730000 / 0049-221-4730000 (0221-4730000 / 0-221-4730000) +49-221-4730001 / 0049-221-4730001 (0221-4730001 / 0-221-4730001) +49-221-4730002 / 0049-221-4730002 (0221-4730002 / 0-221-4730002) +49-221-4730003 / 0049-221-4730003 (0221-4730003 / 0-221-4730003) +49-221-4730004 / 0049-221-4730004 (0221-4730004 / 0-221-4730004) ...+49-221-xxxxxxx / 0049-221-xxxxxxx (0221-xxxxxxx / 0-221-xxxxxxx) ...+49-221-4730995 / 0049-221-4730995 (0221-4730995 / 0-221-4730995) +49-221-4730996 / 0049-221-4730996 (0221-4730996 / 0-221-4730996) +49-221-4730997 / 0049-221-4730997 (0221-4730997 / 0-221-4730997) +49-221-4730998 / 0049-221-4730998 (0221-4730998 / 0-221-4730998) +49-221-4730999 / 0049-221-4730999 (0221-4730999 / 0-221-4730999)