About Area Code 404
- Region Code
- 404
- City
- Atlanta
- State
- Georgia
- Population
- 900,000
- Largest City
- Atlanta
- Neighboring Codes
- 770 (Atlanta, Georgia)
- Time Zone
- Eastern Time
Area Code 404 — Atlanta, Georgia
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Assigned in 1947 as Georgia’s original telephone area, 404 once spanned the entire state before contracting to Atlanta and nearby suburbs. Major changes followed: 912 split off in 1954 for the south and coast; 706 arrived in 1992 for much of North Georgia; 770 took most suburbs in 1995. Overlays 678 (1998), 470 (activated in 2010), and 943 (2022) brought ten-digit dialing across the metro. Today the code is closely tied to the city’s core inside the I-285 Perimeter.
The region’s economy diversified alongside postwar and Sun Belt growth:
Demographically, Atlanta saw significant Black in-migration during later waves of the Great Migration, followed by suburbanization and recent urban reinvestment. The city served as a command center of the Civil Rights Movement, and the Atlanta University Center institutions remain cultural anchors. The code functions as a local identity marker—contrasted with “OTP” suburbs—and appears in music, sports culture, and informal 404 Day observances, reflecting civic pride and the metropolitan area’s continuing transformation.