Richmond Heights, Missouri

Nearest ZIP codes to Richmond Heights

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

Area codes for Richmond Heights

• 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 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

Richmond Heights is in the Central Time zone.

Towns near Richmond Heights

• Clayton1.5 km (0.9 mi)
• Brentwood1.8 km (1.1 mi)
• Maplewood2.2 km (1.4 mi)
• Rock Hill3.8 km (2.4 mi)
• University3.9 km (2.4 mi)
• Saint Louis4.2 km (2.6 mi)
• Ladue4.6 km (2.9 mi)
• Shrewsbury5 km (3.1 mi)