Area Code +45-638-(20000...29999) located in Telephony/ISDN, more detail is as below. Place International Dialing Code : 45 International Prefix : 00 National Destination Code : 638 Subscriber Number From : 20000 Subscriber Number To : 29999 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 : +45-638-(10000...19999) next › : +45-638-(30000...39999) Dialling Instructions For trunk calls: - 638 20000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 45 638 20000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 20000 ~ 29999 (Count: 10,000) Example: +45-638-20000 / 0045-638-20000 (638-20000 / -638-20000) +45-638-20001 / 0045-638-20001 (638-20001 / -638-20001) +45-638-20002 / 0045-638-20002 (638-20002 / -638-20002) +45-638-20003 / 0045-638-20003 (638-20003 / -638-20003) +45-638-20004 / 0045-638-20004 (638-20004 / -638-20004) ...+45-638-xxxxx / 0045-638-xxxxx (638-xxxxx / -638-xxxxx) ...+45-638-29995 / 0045-638-29995 (638-29995 / -638-29995) +45-638-29996 / 0045-638-29996 (638-29996 / -638-29996) +45-638-29997 / 0045-638-29997 (638-29997 / -638-29997) +45-638-29998 / 0045-638-29998 (638-29998 / -638-29998) +45-638-29999 / 0045-638-29999 (638-29999 / -638-29999)