Saint Louis, Missouri

ZIP codes in Saint Louis

Area codes for Saint Louis

• 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 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 code 636

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

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

Saint Louis is in the Central Time zone.

Towns near Saint Louis

• St. Louis3.7 km (2.3 mi)
• Clayton3.8 km (2.4 mi)
• Wellston3.9 km (2.4 mi)
• Richmond Heights4.2 km (2.6 mi)
• Maplewood4.5 km (2.8 mi)
• Pagedale4.8 km (3.0 mi)
• University4.8 km (3.0 mi)
• Hillsdale5.1 km (3.2 mi)