AreaCodesPro Directory
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Cities Served
BelviderePrimary
Rockford273,237 pop
Joliet150,323 pop
Kankakee66,065 pop
DeKalb41,083 pop
Romeoville40,099 pop
Crystal Lake40,082 pop
McHenry27,237 pop
Woodstock25,829 pop
Belvidere25,179 pop
Map showing 13 locations served.