New Jersey area codes
New Jersey has 10 area codes, all on UTC−5 standard time. Each card shows the main cities; open one for its overlays, history and a free lookup.
Preguntas frecuentes
New Jersey area code questions
How many area codes does New Jersey have?
New Jersey has 10 area codes in service: 201, 551, 609, 640, 732, 848, 856, 862, 908 and 973.
What was the original New Jersey area code?
201 was among the original area codes created in 1947.
What is the newest area code in New Jersey?
640, in service since September 17, 2018 as an overlay on 609.
What time zone is New Jersey area codes in?
Eastern.
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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.