Area Code +49-4403-(621000...621999) located in Bad Zwischenahn, Niedersachsen (NI), more detail is as below. Place International Dialing Code : 49 International Prefix : 00 National Prefix : 0 National Destination Code : 4403 Subscriber Number From : 621000 Subscriber Number To : 621999 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 : BT Germany GmbH & Co. OHG Click here to buy Germany Area Code Database Other Information Language Code : de (German) Country Number : 276 (Germany) Country Code : DE (Germany) Region Code : NI Region Name : Niedersachsen City : Bad Zwischenahn Timezone : Europe/Berlin Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 53.1900 Longitude : 8.0200 ‹ previous : +49-4403-(620000...620999) next › : +49-4403-(6224000...6224999) Dialling Instructions For trunk calls: 0 4403 621000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 4403 621000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 621000 ~ 621999 (Count: 1,000) Example: +49-4403-621000 / 0049-4403-621000 (04403-621000 / 0-4403-621000) +49-4403-621001 / 0049-4403-621001 (04403-621001 / 0-4403-621001) +49-4403-621002 / 0049-4403-621002 (04403-621002 / 0-4403-621002) +49-4403-621003 / 0049-4403-621003 (04403-621003 / 0-4403-621003) +49-4403-621004 / 0049-4403-621004 (04403-621004 / 0-4403-621004) ...+49-4403-xxxxxx / 0049-4403-xxxxxx (04403-xxxxxx / 0-4403-xxxxxx) ...+49-4403-621995 / 0049-4403-621995 (04403-621995 / 0-4403-621995) +49-4403-621996 / 0049-4403-621996 (04403-621996 / 0-4403-621996) +49-4403-621997 / 0049-4403-621997 (04403-621997 / 0-4403-621997) +49-4403-621998 / 0049-4403-621998 (04403-621998 / 0-4403-621998) +49-4403-621999 / 0049-4403-621999 (04403-621999 / 0-4403-621999)