Area Code +45-21-(800000...899999) located in Mobile Telephony, more detail is as below. Place International Dialing Code : 45 International Prefix : 00 National Destination Code : 21 Subscriber Number From : 800000 Subscriber Number To : 899999 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-(700000...799999) next › : +45-21-(900000...999999) Dialling Instructions For trunk calls: - 21 800000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 45 21 800000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 800000 ~ 899999 (Count: 100,000) Example: +45-21-800000 / 0045-21-800000 (21-800000 / -21-800000) +45-21-800001 / 0045-21-800001 (21-800001 / -21-800001) +45-21-800002 / 0045-21-800002 (21-800002 / -21-800002) +45-21-800003 / 0045-21-800003 (21-800003 / -21-800003) +45-21-800004 / 0045-21-800004 (21-800004 / -21-800004) ...+45-21-xxxxxx / 0045-21-xxxxxx (21-xxxxxx / -21-xxxxxx) ...+45-21-899995 / 0045-21-899995 (21-899995 / -21-899995) +45-21-899996 / 0045-21-899996 (21-899996 / -21-899996) +45-21-899997 / 0045-21-899997 (21-899997 / -21-899997) +45-21-899998 / 0045-21-899998 (21-899998 / -21-899998) +45-21-899999 / 0045-21-899999 (21-899999 / -21-899999)