Area code 314
Area code 314 serves St. Louis and nearby parts of Missouri, including Florissant, Chesterfield and Oakville. It is on Central Time, which observes daylight saving time. 557 is an overlay for the same area.
Area code 314 at a glance
| State | Missouri (MO) |
| Main city | St. Louis |
| Time zone | Central Time |
| UTC offset | UTC−6 in winter, UTC−5 in summer |
| Daylight saving time | Yes |
| Overlay codes | 557 |
Cities in 314
- St. Louis
- Florissant
- Chesterfield
- Oakville
An area code shows where a number was first assigned. Mobile numbers keep their area code when people move, so the person you’re calling may be somewhere else.
When you can call a 314 number
Federal telemarketing rules under the TCPA allow sales calls between 8 AM and 9 PM in the called person’s local time. Here is that window for a 314 number, shown in your own time zone.
General information, not legal advice. Some states add rules for Sundays, holidays or the number of calls. See our calling hours guide.
| If you’re on | You can call 314 between |
|---|---|
| Eastern | 9:00 AM to 10:00 PM |
| Central | 8:00 AM to 9:00 PM |
| Mountain | 7:00 AM to 8:00 PM |
| Arizona | 6:00 AM to 7:00 PM |
| Pacific | 6:00 AM to 7:00 PM |
See the time in 314 without leaving your CRM
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Other area codes in Missouri
Questions about 314
What time zone is area code 314?
Area code 314 is on Central Time. It observes daylight saving time.
Where is area code 314?
Area code 314 is in Missouri. Its main city is St. Louis, and it also covers Florissant, Chesterfield and Oakville.
What are the legal hours to call a 314 number?
Under the federal TCPA, sales calls are allowed from 8 AM to 9 PM in the called person’s local time. Personal and informational calls are not limited by these hours.
What area codes overlay 314?
557 covers the same area as 314, so numbers in the same town can have either code.