The area code 557 is located in St. Louis, Missouri.
Area code 557 is a newly assigned telephone area code in St. Louis, Missouri, making it an important code for the growing region. This code primarily covers the vibrant city of St. Louis and its surrounding areas, helping locals stay connected. Established in 2022, area code 557 was created to meet the increasing demand for phone numbers in the area.
Key highlights include:
As the region continues to thrive, area code 557 ensures residents and visitors can easily communicate while enjoying everything St. Louis has to offer.