Oakville, Missouri

Nearest ZIP codes to Oakville

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

Area codes for Oakville

• Area code 314

  In service since 1947. Shares its area with 557. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 636

  In service since May 22, 1999. Local calls are dialed with seven digits.

• Area code 557

  In service since August 12, 2022. Shares its area with 314. 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

Oakville is in the Central Time zone.

Towns near Oakville

• Mehlville5.9 km (3.7 mi)
• Arnold6.3 km (3.9 mi)
• Concord7.4 km (4.6 mi)
• Green Park8.3 km (5.2 mi)
• Sappington9.7 km (6.0 mi)
• Lemay9.8 km (6.1 mi)
• St. George9.8 km (6.1 mi)
• Kimmswick10.2 km (6.3 mi)