Area Code: 314
| ZIP Code | City |
| 63005 | CHESTERFIELD |
| 63006 | CHESTERFIELD |
| 63017 | CHESTERFIELD |
| 63031 | FLORISSANT |
...
External links.
| North: 636 | ||
|---|---|---|
| West: 636 | area code 314 | East: 618 |
| South: 573 | ||
| Illinois area codes: 217, 224/847, 309, 312, 331/630, 618, 708, 773, 779/815, 872 | ||
Where is the 314 area code located?
ST. LOUIS — According to the Missouri Public Service Commission, the 314 area code is running out of space in the St. Louis area, meaning the region will add a new prefix as soon as this coming ...
What area codes are local calls for area code 314?
The change includes a huge part of the greater St. Louis area, including those who have 314 and 618 area codes. All people living in those area codes will have to dial 10 digits for local calls to go through – even ones made in your own area code.
What states ZIP code starts with 314?
Montana ZIP code map and Montana ZIP code list. View all zip codes in MT or use the free zip code lookup.
Where in North America is area code 314?
Illinois (North and northwest suburbs of Chicago, including Lake, northern Cook, northern Kane, and extreme southeastern McHenry Counties.
Where is the 314 area code?
It originally covered most of the eastern half of Missouri, from the Illinois border to Jefferson City. It stretched along nearly the entire width of the state along the Mississippi River. It was split on January 7, 1996, when most of the western and southern portion was ...
When was the 314 area code reduced?
As a result, 314 was reduced to its current size on May 22, 1999, when area code 636 was assigned to St. Louis' outer western suburbs. Before the introduction of number portability, 314 was used for all cell phones on the Missouri side of the St. Louis area.
When did the 557 area code become available?
In 2000, the Missouri Public Service Commission announced plans to add area code 557 as an overlay to area code 314, but postponed the implementation date (May 5, 2002) indefinitely, when the commission determined no immediate need for more phone numbers.
Is 314 an overlay code?
Conservation measures such as number pooling staved off the immediate need for an overlay. 314 is one of the few urbanized area codes that has not been overlaid, which, until 2021, made St. Louis one of the largest cities where seven-digit dialing was still possible.
