Area codes in New Brunswick, New Jersey
New Brunswick, New Jersey uses 2 area codes — 732 and 848. The main New Brunswick area code is 732.
Area codes serving New Brunswick
Phone numbers in New Brunswick are written as ten digits — for example (732) 555-0190 — and fall in the Eastern Time zone.
How New Brunswick came to have 2 area codes
The original New Brunswick area code is 732, in service since 1997. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 848 (2001). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why New Brunswick now uses all 2 codes and every local call is dialed with ten digits.
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Nearby cities
- Edison area codes
- Elizabeth area codes
- Staten Island area codes
- Livingston area codes
- Newark area codes
- Trenton area codes
- Jersey City area codes
- Brooklyn area codes
More cities in New Jersey
- Atlantic City area codes
- Camden area codes
- Hoboken area codes
- Cherry Hill area codes
- Paterson area codes
- Toms River area codes
- Clifton area codes
Frequently asked questions
What is the area code for New Brunswick?
The main area code for New Brunswick, New Jersey is 732. New Brunswick is now served by 2 area codes in total: 732, 848.
How many area codes does New Brunswick have?
New Brunswick has 2 area codes: 732, 848.
Why does New Brunswick have more than one area code?
As New Brunswick used up the numbers available in its original area code (732, in service since 1997), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a New Brunswick number?
Dial all 10 digits — the area code (732 or 848) 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.