Area Code 557 — Missouri

Active General Purpose Code Overlay United States

Area code 557 is located in Missouri and operates on Central Time . The largest city served is Creve Coeur .

Area Code Details

Area Code: 557
State / Province: Missouri (MO)
Country: United States
Time Zone: Central Time Central Time
Local Time Now: —
Status: Active
Code Type: General Purpose Code
In Service Since: August 12, 2022
Assigned: October 30, 2000
Population Served: ~26,873 est.
Overlay Complex: 314/557

Cities Served

Largest City Creve Coeur

Creve Coeur Ladue St Louis

History & Relationships

Split from

Overlay complex — shares geography with

Rate Centers & Exchanges

3 rate centers identified within area code 557

View exchanges →

Other Area Codes in Missouri

Nearby Area Codes

Frequently Asked Questions About Area Code 557

What state is area code 557?

Area code 557 is located in Missouri, United States.

Where is area code 557 from?

Area code 557 originates from Missouri. It operates in the Central Time zone.

What time zone is area code 557?

Area code 557 falls within the Central Time zone (Central Time).

What cities are in area code 557?

Area code 557 serves cities including Creve Coeur, Ladue, St Louis.

Is a call from area code 557 a scam?

Area code 557 is a legitimate general purpose code area code serving Missouri. Like any area code, individual numbers using 557 can be used for scam calls — always verify the specific number if you receive an unexpected or suspicious call.