Area Code 904Jacksonville, Florida

FAQ — Area code 904

What state or region uses area code 904?

Area code 904 is assigned to phone numbers in Jacksonville, Florida. Local numbers help scammers appear trustworthy — always verify unknown 904 callers on CheckThatCall before calling back.

How do I look up a 904 phone number?

Search any full 10-digit US number on CheckThatCall or browse reported listings on the area code 904 hub. We show community spam scores and structured caller tags when available.

Is area code 904 mostly spam?

In our current sample of 24 active 904 listings, about 100% show community spam scores of 60 or higher, with an average of 100/100. That suggests elevated reporting activity in this area code — but scores are user-estimated, not verified. Always look up the specific number that called you.

How many reported numbers are in area code 904?

This directory currently lists 121 numbers with area code 904 that meet our indexing standards (community reports or repeated searches). The sample shown includes 24 combined community reports.

What kinds of calls are reported for 904 numbers?

Reported 904 numbers on CheckThatCall are tagged with structured categories such as robocalls, telemarketing, and scam types. Browse the hub listings to see individual spam scores — we do not assign a single label to an entire area code.