447 Area Code: Springfield, Illinois

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Area Code 447 Information

State: Illinois
Primary City: Springfield
Primary Carrier: Verizon
Other Cities: Aurora, Belleville, Chicago

Neighborhood Demographics

Based on US Census data for Springfield

40.7 y/o

Median Age

Compared to the US median age of 38.7 y/o

$65.5K

Median Income

Compared to the US median income of $78.5K

$155.2K

Median Home Value

Compared to the US median home value of $303.4K

113.7K

Springfield Population

Compared to the US median city population of 171.9K

Active Prefixes in the 447 Area Code

About the 447 Area Code

Illinois's 447 area code is among the newer overlays planned for the central part of the state, sharing geography with the long-running 217. Springfield anchors the directory's records here. The city sits on the prairie roughly halfway between St. Louis and Chicago, organized around the Illinois State Capitol and a downtown that holds several Lincoln-related historic sites. The 447 designation, part of the North American Numbering Plan, is in the early phases of being filled with active number assignments and shares its broader footprint with the entire 217 region.

In records the directory has compiled for 447 numbers, other Illinois cities — Aurora, Belleville, Chicago, and Cicero — appear regularly. None of those are inside the 447 footprint. The pattern reflects standard public-record dynamics, with phone numbers porting across Illinois and addresses linked across multiple cities. The directory currently documents 1 distinct prefix within 447 in detail, an early-stage subset that should be read as the start of our coverage rather than a comprehensive count.

Springfield's home values come in below the US median, an unusual reading for a state capital but typical of central Illinois housing pricing. Median household income runs below the national figure, the city's median age sits a couple of years above the US reading, and population places Springfield as a mid-sized Illinois city. The 447 footprint shares those demographics with 217 because both codes serve the central Illinois region in overlapping form.