Princeton Junction, New Jersey

ZIP codes in Princeton Junction

Area codes for Princeton Junction

• Area code 609

  In service since 1957. Shares its area with 640. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 640

  In service since September 17, 2018. Shares its area with 609. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Princeton Junction is in the Eastern Time zone.

Towns near Princeton Junction

• Hamilton Square4.7 km (2.9 mi)
• Mercerville4.9 km (3.0 mi)
• Robbinsville Center5.5 km (3.4 mi)
• Trenton5.8 km (3.6 mi)
• Millstone Township6.4 km (4.0 mi)
• Windsor6.7 km (4.2 mi)
• Princeton8.2 km (5.1 mi)
• Lawrenceville8.4 km (5.2 mi)