Area Code +49-2303-(300000...300999) located in Unna, Nordrhein-Westfalen (NW), more detail is as below. Place International Dialing Code : 49 International Prefix : 00 National Prefix : 0 National Destination Code : 2303 Subscriber Number From : 300000 Subscriber Number To : 300999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 11 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : HeLi NET Telekommunikations GmbH& Co.KG 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 : Unna Timezone : Europe/Berlin Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 51.5300 Longitude : 7.7000 ‹ previous : +49-2303-(299000...299999) next › : +49-2303-(301000...301999) Dialling Instructions For trunk calls: 0 2303 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 2303 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 300999 (Count: 1,000) Example: +49-2303-300000 / 0049-2303-300000 (02303-300000 / 0-2303-300000) +49-2303-300001 / 0049-2303-300001 (02303-300001 / 0-2303-300001) +49-2303-300002 / 0049-2303-300002 (02303-300002 / 0-2303-300002) +49-2303-300003 / 0049-2303-300003 (02303-300003 / 0-2303-300003) +49-2303-300004 / 0049-2303-300004 (02303-300004 / 0-2303-300004) ...+49-2303-xxxxxx / 0049-2303-xxxxxx (02303-xxxxxx / 0-2303-xxxxxx) ...+49-2303-300995 / 0049-2303-300995 (02303-300995 / 0-2303-300995) +49-2303-300996 / 0049-2303-300996 (02303-300996 / 0-2303-300996) +49-2303-300997 / 0049-2303-300997 (02303-300997 / 0-2303-300997) +49-2303-300998 / 0049-2303-300998 (02303-300998 / 0-2303-300998) +49-2303-300999 / 0049-2303-300999 (02303-300999 / 0-2303-300999)