Area Code 314: Coverage, Cities, and Key Information
Explore Area Code 314: St. Louis' telecom hub since 1947. Covers St. Louis, Kirkwood, & University City. Understand the 557 overlay implemented August 12, 2022. Why is 10-digit dialing mandatory since 2021? Learn about NANP compliance and Missouri PSC regulations.
Frequently Asked Questions
What area code is St. Louis Missouri?
What area code is 314 near St. Louis?
When did area code 314 start mandatory 10-digit dialing?
Why does St. Louis have two area codes now?
What is the area code overlay for 314?
What cities are covered by the 557 area code in Missouri?
When was area code 573 created from area code 314?
What Missouri area code was split in 1999?
What area code was created from 314 in 1999?
How do I dial a 314 number now?
Is area code 314 in Eastern or Central time?
What is the regulatory body overseeing area code 314 in Missouri?
What area codes cover the St. Louis metro area?
What cities are covered by area code 314?
How do I dial a 314 number from another area code?
When was area code 314 created?
What is the overlay area code for 314?
What county is area code 314 primarily in?
How to dial area code 314 from within the same area code?
