Area Code +1-305-(3100000...3109999) located in Miami, Florida (FL), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 305 Subscriber Number From : 3100000 Subscriber Number To : 3109999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WRLS GA Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : FL Region Name : Florida City : Miami Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 25.7900 Longitude : -80.2200 ‹ previous : +1-305-(3090000...3099999) next › : +1-305-(3120000...3129999) Dialling Instructions For trunk calls: 0 305 3100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 305 3100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3100000 ~ 3109999 (Count: 10,000) Example: +1-305-3100000 / 0111-305-3100000 (1305-3100000 / 1-305-3100000) +1-305-3100001 / 0111-305-3100001 (1305-3100001 / 1-305-3100001) +1-305-3100002 / 0111-305-3100002 (1305-3100002 / 1-305-3100002) +1-305-3100003 / 0111-305-3100003 (1305-3100003 / 1-305-3100003) +1-305-3100004 / 0111-305-3100004 (1305-3100004 / 1-305-3100004) ...+1-305-xxxxxxx / 0111-305-xxxxxxx (1305-xxxxxxx / 1-305-xxxxxxx) ...+1-305-3109995 / 0111-305-3109995 (1305-3109995 / 1-305-3109995) +1-305-3109996 / 0111-305-3109996 (1305-3109996 / 1-305-3109996) +1-305-3109997 / 0111-305-3109997 (1305-3109997 / 1-305-3109997) +1-305-3109998 / 0111-305-3109998 (1305-3109998 / 1-305-3109998) +1-305-3109999 / 0111-305-3109999 (1305-3109999 / 1-305-3109999)