Area Code +45-991-(90000...99999) located in Telephony/ISDN, more detail is as below. Place International Dialing Code : 45 International Prefix : 00 National Destination Code : 991 Subscriber Number From : 90000 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 : +45-991-(70000...79999) next › : +45-992-(00000...09999) Dialling Instructions For trunk calls: - 991 90000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 45 991 90000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 90000 ~ 99999 (Count: 10,000) Example: +45-991-90000 / 0045-991-90000 (991-90000 / -991-90000) +45-991-90001 / 0045-991-90001 (991-90001 / -991-90001) +45-991-90002 / 0045-991-90002 (991-90002 / -991-90002) +45-991-90003 / 0045-991-90003 (991-90003 / -991-90003) +45-991-90004 / 0045-991-90004 (991-90004 / -991-90004) ...+45-991-xxxxx / 0045-991-xxxxx (991-xxxxx / -991-xxxxx) ...+45-991-99995 / 0045-991-99995 (991-99995 / -991-99995) +45-991-99996 / 0045-991-99996 (991-99996 / -991-99996) +45-991-99997 / 0045-991-99997 (991-99997 / -991-99997) +45-991-99998 / 0045-991-99998 (991-99998 / -991-99998) +45-991-99999 / 0045-991-99999 (991-99999 / -991-99999)