State Directory

New Jersey Area Codes

9 area codes1 time zone14+ cities

Active Codes
9
Time Zones
1

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Codes by Time Zone

Eastern Time (ET)

9 codes

About New Jersey Area Codes

New Jersey is served by 9 area codes, covering various cities and regions throughout the state. Each area code has its own service area and may overlap with other codes in some locations.

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Quick Facts

  • 9 active area codes in New Jersey
  • Operates across 1 time zone
  • Oldest code established in 1947