New 447 area code to be added in Central Illinois - Mahomet Daily
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Deadline to start dialing local phone numbers with area codes is Sunday | FOX 2
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Illinois gets new telephone area code; 464 added to 708 region starting Friday - Chicago Sun-Times
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Illinois (IL) Phone Numbers - Local Area Codes 217, 224, 309, 312, 331, 464, 618, 630, 708, 773, 779, 815, 847, 872 | Contact Cloud
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Illinois Commerce Commission announces new 861 area code for 309 region
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Illinois (IL) Phone Numbers - Local area codes 217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847 and 872
Illinois Phone Numbers - Local Area Codes 217, 224, 309, 312, 331, 618
New 861 area code coming to certain Illinois regions | Eagle102
312,773 and 708 Area Code : All about Chicago Illinois Local Phone Numbers
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New 861 area code coming to Western Illinois as 309 numbers run out | wqad.com
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Illinois Phone Numbers - Local Area Codes 217, 224, 309, 312, 331, 618
