Allentown, Pennsylvania

ZIP codes in Allentown

Area codes for Allentown

• Area code 610

  In service since January 8, 1994. Shares its area with 484 and 835. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 484

  In service since June 5, 1999. Shares its area with 610 and 835. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 835

  In service since September 2, 2022. Shares its area with 484 and 610. 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

Allentown is in the Eastern Time zone.

Towns near Allentown

• Dorneyville2.9 km (1.8 mi)
• Cetronia3.3 km (2.1 mi)
• Fullerton4.1 km (2.5 mi)
• Wescosville5.6 km (3.5 mi)
• Whitehall6.2 km (3.9 mi)
• Hokendauqua6.5 km (4.0 mi)
• Catasauqua6.9 km (4.3 mi)
• Stiles7.2 km (4.5 mi)