235 Area Code: St. Louis, Missouri

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Area Code 235 Information

State: Missouri
Primary City: St. Louis
Primary Carrier: AT&T
Other Cities: Columbia, Kansas City, O'Fallon

Neighborhood Demographics

Based on US Census data for St. Louis

36.6 y/o

Median Age

Compared to the US median age of 38.7 y/o

$55.3K

Median Income

Compared to the US median income of $78.5K

$185.1K

Median Home Value

Compared to the US median home value of $303.4K

293.1K

St. Louis Population

Compared to the US median city population of 171.9K

Active Prefixes in the 235 Area Code

Sample Phone Numbers

About the 235 Area Code

Missouri's 235 area code is among the newer overlays planned for the eastern part of the state, sharing geography with the long-running 314 across the St. Louis metropolitan area. St. Louis anchors the directory's records here. The city sits along the Mississippi River where the Missouri joins it, on a stretch of the river that has anchored the city's working profile since the eighteenth century — fur trading, river commerce, brewing, and a long-running concentration of corporate headquarters have shaped the local economy across multiple eras. The 235 designation, part of the North American Numbering Plan, is in the early phases of being prepared for active number assignments.

In records the directory has compiled for 235 numbers, other Missouri cities — Columbia, Kansas City, O'Fallon, Sedalia, and Springfield — appear regularly. None of those are inside the 235 footprint. The pattern reflects standard public-record dynamics, with phone numbers porting across Missouri and addresses linked across multiple cities. The directory's prefix-level holdings for 235 are still being assembled, and the working count of distinct prefixes we currently track in detail represents an early-stage subset rather than a comprehensive count of the prefix population the code will eventually carry.

St. Louis's home values come in well below the US median, with median household income running well below the national figure. The city's median age sits close to the US reading, and population places St. Louis among the larger cities in the Midwest — substantial enough to anchor a metropolitan area that pulls steadily on populations from across eastern Missouri and southern Illinois.