Area Code +45-54-(420000...429999) located in Telephony/ISDN, more detail is as below. Place International Dialing Code : 45 International Prefix : 00 National Destination Code : 54 Subscriber Number From : 420000 Subscriber Number To : 429999 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-(410000...419999) next › : +45-54-(430000...439999) Dialling Instructions For trunk calls: - 54 420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 45 54 420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 420000 ~ 429999 (Count: 10,000) Example: +45-54-420000 / 0045-54-420000 (54-420000 / -54-420000) +45-54-420001 / 0045-54-420001 (54-420001 / -54-420001) +45-54-420002 / 0045-54-420002 (54-420002 / -54-420002) +45-54-420003 / 0045-54-420003 (54-420003 / -54-420003) +45-54-420004 / 0045-54-420004 (54-420004 / -54-420004) ...+45-54-xxxxxx / 0045-54-xxxxxx (54-xxxxxx / -54-xxxxxx) ...+45-54-429995 / 0045-54-429995 (54-429995 / -54-429995) +45-54-429996 / 0045-54-429996 (54-429996 / -54-429996) +45-54-429997 / 0045-54-429997 (54-429997 / -54-429997) +45-54-429998 / 0045-54-429998 (54-429998 / -54-429998) +45-54-429999 / 0045-54-429999 (54-429999 / -54-429999)