Area Code +49-521-(12004000...12004999) located in Bielefeld, Nordrhein-Westfalen (NW), more detail is as below. Place International Dialing Code : 49 International Prefix : 00 National Prefix : 0 National Destination Code : 521 Subscriber Number From : 12004000 Subscriber Number To : 12004999 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 : Netzquadrat 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 : Bielefeld Timezone : Europe/Berlin Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 52.0200 Longitude : 8.5400 ‹ previous : +49-521-(12003000...12003999) next › : +49-521-(12005000...12005999) Dialling Instructions For trunk calls: 0 521 12004000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 521 12004000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 12004000 ~ 12004999 (Count: 1,000) Example: +49-521-12004000 / 0049-521-12004000 (0521-12004000 / 0-521-12004000) +49-521-12004001 / 0049-521-12004001 (0521-12004001 / 0-521-12004001) +49-521-12004002 / 0049-521-12004002 (0521-12004002 / 0-521-12004002) +49-521-12004003 / 0049-521-12004003 (0521-12004003 / 0-521-12004003) +49-521-12004004 / 0049-521-12004004 (0521-12004004 / 0-521-12004004) ...+49-521-xxxxxxxx / 0049-521-xxxxxxxx (0521-xxxxxxxx / 0-521-xxxxxxxx) ...+49-521-12004995 / 0049-521-12004995 (0521-12004995 / 0-521-12004995) +49-521-12004996 / 0049-521-12004996 (0521-12004996 / 0-521-12004996) +49-521-12004997 / 0049-521-12004997 (0521-12004997 / 0-521-12004997) +49-521-12004998 / 0049-521-12004998 (0521-12004998 / 0-521-12004998) +49-521-12004999 / 0049-521-12004999 (0521-12004999 / 0-521-12004999)