Area Code +45-21-(400000...499999) located in Mobile Telephony, more detail is as below. Place International Dialing Code : 45 International Prefix : 00 National Destination Code : 21 Subscriber Number From : 400000 Subscriber Number To : 499999 National Destination Code Length : 2 Uses National Destination Code : No National Significant Number Length : 8 Number Type : M (Mobile, Cellular) Carrier Name : TDC A/S Click here to buy Denmark Area Code Database Other Information Language Code : da (Danish) Country Number : 208 (Denmark) Country Code : DK (Denmark) City : Mobile Telephony Timezone : Europe/Copenhagen Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 55.6700 Longitude : 12.5500 ‹ previous : +45-21-(300000...399999) next › : +45-21-(500000...599999) Dialling Instructions For trunk calls: - 21 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 45 21 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 499999 (Count: 100,000) Example: +45-21-400000 / 0045-21-400000 (21-400000 / -21-400000) +45-21-400001 / 0045-21-400001 (21-400001 / -21-400001) +45-21-400002 / 0045-21-400002 (21-400002 / -21-400002) +45-21-400003 / 0045-21-400003 (21-400003 / -21-400003) +45-21-400004 / 0045-21-400004 (21-400004 / -21-400004) ...+45-21-xxxxxx / 0045-21-xxxxxx (21-xxxxxx / -21-xxxxxx) ...+45-21-499995 / 0045-21-499995 (21-499995 / -21-499995) +45-21-499996 / 0045-21-499996 (21-499996 / -21-499996) +45-21-499997 / 0045-21-499997 (21-499997 / -21-499997) +45-21-499998 / 0045-21-499998 (21-499998 / -21-499998) +45-21-499999 / 0045-21-499999 (21-499999 / -21-499999)