Area Code +377-454-(00000...99999) located in Mobile Telephony GSM, more detail is as below. Place International Dialing Code : 377 International Prefix : 00 National Destination Code : 454 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 : M (Mobile, Cellular) Carrier Name : Monaco Telecom Click here to buy Monaco Area Code Database Other Information Language Code : fr (French) Country Number : 492 (Monaco) Country Code : MC (Monaco) City : Mobile Telephony GSM Timezone : Europe/Monaco Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 43.7000 Longitude : 7.3800 ‹ previous : +377-453-(00000...99999) next › : +377-455-(00000...99999) Dialling Instructions For trunk calls: - 454 00000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 377 454 00000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000 ~ 99999 (Count: 100,000) Example: +377-454-00000 / 00377-454-00000 (454-00000 / -454-00000) +377-454-00001 / 00377-454-00001 (454-00001 / -454-00001) +377-454-00002 / 00377-454-00002 (454-00002 / -454-00002) +377-454-00003 / 00377-454-00003 (454-00003 / -454-00003) +377-454-00004 / 00377-454-00004 (454-00004 / -454-00004) ...+377-454-xxxxx / 00377-454-xxxxx (454-xxxxx / -454-xxxxx) ...+377-454-99995 / 00377-454-99995 (454-99995 / -454-99995) +377-454-99996 / 00377-454-99996 (454-99996 / -454-99996) +377-454-99997 / 00377-454-99997 (454-99997 / -454-99997) +377-454-99998 / 00377-454-99998 (454-99998 / -454-99998) +377-454-99999 / 00377-454-99999 (454-99999 / -454-99999)