Area Code +45-54-(400000...409999) located in Telephony/ISDN, more detail is as below. Place International Dialing Code : 45 International Prefix : 00 National Destination Code : 54 Subscriber Number From : 400000 Subscriber Number To : 409999 National Destination Code Length : 2 Uses National Destination Code : No National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) 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 : Telephony/ISDN 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 : +45-54-(170000...179999) next › : +45-54-(410000...419999) Dialling Instructions For trunk calls: - 54 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 45 54 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 409999 (Count: 10,000) Example: +45-54-400000 / 0045-54-400000 (54-400000 / -54-400000) +45-54-400001 / 0045-54-400001 (54-400001 / -54-400001) +45-54-400002 / 0045-54-400002 (54-400002 / -54-400002) +45-54-400003 / 0045-54-400003 (54-400003 / -54-400003) +45-54-400004 / 0045-54-400004 (54-400004 / -54-400004) ...+45-54-xxxxxx / 0045-54-xxxxxx (54-xxxxxx / -54-xxxxxx) ...+45-54-409995 / 0045-54-409995 (54-409995 / -54-409995) +45-54-409996 / 0045-54-409996 (54-409996 / -54-409996) +45-54-409997 / 0045-54-409997 (54-409997 / -54-409997) +45-54-409998 / 0045-54-409998 (54-409998 / -54-409998) +45-54-409999 / 0045-54-409999 (54-409999 / -54-409999)