Purchase 815 area code phone numbers for your business
Containing nearly all of northern Illinois, including parts of
Chicago, the 815 area code spans 11,862 square miles, and hosts a
population of 1,538,523. Major communities include Rockford
(population 339,178), Joliet (population 131,207), and Crystal Lake
(population 54,387). Nearly 58% of the area’s residents are between
the ages of 20 and 64. More than 48% of the region’s residents have
some form of higher education. Of the area’s 566,215 households, 48%
report an income of greater than $50,000, with a median income of
$45,770. The area contains thousands of small businesses and larger
corporations, and the major industries include natural resources and
mining, construction, manufacturing, wholesale trade, retail trade,
finance and insurance, as well as education and social services. It’
proximity to Chicago make the region a prime location for several
major healthcare facilities as well as manufacturing companies.
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Cities in the 815 area code include Joliet, Plainfield, McHenry, and Kankakee.