Area Code +1-904-(8400000...8409999) located in Jacksonville, Florida (FL), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 904 Subscriber Number From : 8400000 Subscriber Number To : 8409999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : ALLSAFE PAGING SYS. 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 : Jacksonville Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 30.3300 Longitude : -81.6600 ‹ previous : +1-904-(8380000...8389999) next › : +1-904-(8430000...8439999) Dialling Instructions For trunk calls: 0 904 8400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 904 8400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8400000 ~ 8409999 (Count: 10,000) Example: +1-904-8400000 / 0111-904-8400000 (1904-8400000 / 1-904-8400000) +1-904-8400001 / 0111-904-8400001 (1904-8400001 / 1-904-8400001) +1-904-8400002 / 0111-904-8400002 (1904-8400002 / 1-904-8400002) +1-904-8400003 / 0111-904-8400003 (1904-8400003 / 1-904-8400003) +1-904-8400004 / 0111-904-8400004 (1904-8400004 / 1-904-8400004) ...+1-904-xxxxxxx / 0111-904-xxxxxxx (1904-xxxxxxx / 1-904-xxxxxxx) ...+1-904-8409995 / 0111-904-8409995 (1904-8409995 / 1-904-8409995) +1-904-8409996 / 0111-904-8409996 (1904-8409996 / 1-904-8409996) +1-904-8409997 / 0111-904-8409997 (1904-8409997 / 1-904-8409997) +1-904-8409998 / 0111-904-8409998 (1904-8409998 / 1-904-8409998) +1-904-8409999 / 0111-904-8409999 (1904-8409999 / 1-904-8409999)