Area code 904 is in use for much of the First Coast region of the U.S. state of Florida, including all of the metropolitan area of Jacksonville. At its largest, it covered the entire northern half of Florida. It was split from area code 305 on Sunday, July 11, 1965, as a "flash-cut" with no formal permissive dialing period.

Area code splits in the 1990s resulted in schisms across much of north Florida (into area code 850, 352, and 386). Many new metropolitan areas in north Florida necessitated these new area codes. As well, there were a lack of unique phone numbers due to a plethora of new phone lines, especially in the expanding Jacksonville metro area.

[edit] See also

• List of Florida area codes

[edit] External links

• NANPA Area Code Map of Florida
• List of exchanges from AreaCodeDownload.com, 904 Area Code

[edit] References

• Florida's Area Code History

State of Florida area codes: 239, 305, 321, 352, 386, 407, 561, 727, 754, 772, 786, 813, 850, 863, 904, 941, 954
	North: 912
West: 386	area code 904	East: Atlantic Ocean
	South: 386, 352
State of Georgia area codes: 229, 404, 470, 478, 678, 706, 762, 770, 912

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