Randolph, New Jersey

ZIP codes in Randolph

Area codes for Randolph

• Area code 973

  In service since June 1, 1997. Shares its area with 862. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 862

  In service since December 29, 2001. Shares its area with 973. 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

Randolph is in the Eastern Time zone.

Towns near Randolph

• Picatinny Arsenal2.5 km (1.6 mi)
• Mine Hill3.6 km (2.2 mi)
• Victory Gardens4.2 km (2.6 mi)
• Mount Freedom4.5 km (2.8 mi)
• Brookside5 km (3.1 mi)
• Ironia5.1 km (3.2 mi)
• Dover5.3 km (3.3 mi)
• Morristown5.6 km (3.5 mi)