Area Code 904

904 area code is being used for dialing/telecommunication purposes in Florida, covering 8 major cities and 3 counties, according to (NANP) North American Numbering Plan for 3-digit Numbering Plan Area (NPA) code. All the areas using NPA code 904 is part of EST (Eastern Standard Time) timezone.

904 Area Code Covers 8 Cities

Check this below table to know 8 major cities (having more than 20,000 population) in Florida using numbering plan area code 904 for dialing/telecommunication purposes.

City	ZIP Codes	Population
Fleming Island, FL	1	29,810
Jacksonville, FL	44	950,203
Jacksonville Beach, FL	2	23,583
Nocatee, FL	1	22,950

3 Counties Using 904 as Area Code

904 area code is being used in 3 counties of Florida for dialing/telecommunication purposes.

• Clay County, FL
• Duval County, FL
• St. Johns County, FL

32 More NPA Codes Related to Area Code 904

1 or more of these 32 NPA codes are being used in the same or adjacent states of Florida in the United States.

• 205 Area Code
• 229 Area Code
• 239 Area Code
• 251 Area Code
• 256 Area Code
• 305 Area Code
• 321 Area Code
• 334 Area Code
• 352 Area Code
• 386 Area Code
• 404 Area Code
• 407 Area Code
• 470 Area Code
• 478 Area Code
• 561 Area Code
• 659 Area Code
• 678 Area Code
• 689 Area Code
• 706 Area Code
• 727 Area Code
• 754 Area Code
• 762 Area Code
• 770 Area Code
• 772 Area Code
• 786 Area Code
• 813 Area Code
• 850 Area Code
• 863 Area Code
• 912 Area Code
• 938 Area Code
• 941 Area Code
• 954 Area Code

Only One State Uses Area Code 904

• Florida