Area codes in Jersey City, New Jersey
Jersey City, New Jersey uses 2 area codes — 201 and 551. The main Jersey City area code is 201.
Area codes serving Jersey City
Phone numbers in Jersey City are written as ten digits — for example (201) 555-0190 — and fall in the Eastern Time zone.
How Jersey City came to have 2 area codes
The original Jersey City area code is 201, in service since 1947. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 551 (2001). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Jersey City now uses all 2 codes and every local call is dialed with ten digits.
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Nearby cities
- Hoboken area codes
- Brooklyn area codes
- New York City area codes
- Staten Island area codes
- Newark area codes
- Elizabeth area codes
- Queens area codes
- Clifton area codes
More cities in New Jersey
- Trenton area codes
- New Brunswick area codes
- Atlantic City area codes
- Camden area codes
- Cherry Hill area codes
- Paterson area codes
- Toms River area codes
- Edison area codes
Frequently asked questions
What is the area code for Jersey City?
The main area code for Jersey City, New Jersey is 201. Jersey City is now served by 2 area codes in total: 201, 551.
How many area codes does Jersey City have?
Jersey City has 2 area codes: 201, 551.
Why does Jersey City have more than one area code?
As Jersey City used up the numbers available in its original area code (201, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Jersey City number?
Dial all 10 digits — the area code (201 or 551) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.