Oswego, South Carolina

Nearest ZIP codes to Oswego

These are the ZIP codes nearest to Oswego, each listed with the post office it is named after.

Area codes for Oswego

• Area code 803

  In service since 1947. Shares its area with 839. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 839

  In service since May 26, 2020. Shares its area with 803. 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

Oswego is in the Eastern Time zone.

Towns near Oswego

• Mulberry6.5 km (4.0 mi)
• East Sumter8.8 km (5.5 mi)
• Mayesville8.8 km (5.5 mi)
• St. Charles10.1 km (6.3 mi)
• Shaw Afb10.8 km (6.7 mi)
• Sumter12.8 km (8.0 mi)
• Ashwood13.1 km (8.1 mi)
• South Sumter14.2 km (8.8 mi)