Louisiana area codes
Louisiana has 6 area codes, all on UTC−6 standard time. Each card shows the main cities; open one for its overlays, history and a free lookup.
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Louisiana area code questions
How many area codes does Louisiana have?
Louisiana has 6 area codes in service: 225, 318, 337, 457, 504 and 985.
What was the original Louisiana area code?
504 was among the original area codes created in 1947.
What is the newest area code in Louisiana?
457, in service since September 25, 2025 as an overlay on 318.
What time zone is Louisiana area codes in?
Central.
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Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.