Area Code +45-661-(00000...99999) located in Telephony/ISDN, more detail is as below. Place International Dialing Code : 45 International Prefix : 00 National Destination Code : 661 Subscriber Number From : 00000 Subscriber Number To : 99999 National Destination Code Length : 3 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 : None Longitude : None ‹ previous : +45-659-(00000...99999) next › : +45-666-(00000...99999) Dialling Instructions For trunk calls: - 661 00000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 45 661 00000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000 ~ 99999 (Count: 100,000) Example: +45-661-00000 / 0045-661-00000 (661-00000 / -661-00000) +45-661-00001 / 0045-661-00001 (661-00001 / -661-00001) +45-661-00002 / 0045-661-00002 (661-00002 / -661-00002) +45-661-00003 / 0045-661-00003 (661-00003 / -661-00003) +45-661-00004 / 0045-661-00004 (661-00004 / -661-00004) ...+45-661-xxxxx / 0045-661-xxxxx (661-xxxxx / -661-xxxxx) ...+45-661-99995 / 0045-661-99995 (661-99995 / -661-99995) +45-661-99996 / 0045-661-99996 (661-99996 / -661-99996) +45-661-99997 / 0045-661-99997 (661-99997 / -661-99997) +45-661-99998 / 0045-661-99998 (661-99998 / -661-99998) +45-661-99999 / 0045-661-99999 (661-99999 / -661-99999)