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Programs and Initiatives
Area Codes
Illinois Area Codes
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Press Release
The New 464 Area Code is Coming to the Illinois 708 Area Code Region
ICC Announces New 861 Area Code for 309 Region
ICC Announces New 464 Area Code for 708 Region
Mandatory 10-Digit Local Dialing Effective October 2021 for 309, 618 and 708
New Dialing Procedure for Customers within 217 Area Code
New Dialing Procedure for Customers Within 217 Area Code
ICC Announces New 447 Area Code for 217 Region
New 872 Area Code Coming to City of Chicago
872 Area Code Facts
ICC Announces New 872 Area Code for City of Chicago
ICC Announces New 331 Area Code For 630 Region
ICC issues new area code overlay reminder
ICC Announces Overlay Area Code Plan for 217 Region
779 to Overlay 815 Area Code Next Year
ICC Approves Overlay for 618
815 Area Code: Press Release - ICC Sets 815 Public Forums
ICC Plans Two New Hearings on 618 Area Code
ICC To Host Forums on 618 Area Code
ICC Seeks FCC Approval For Number Conservation
Docket 97-0192
Dockets 97-0192 & 97-0211
Docket 97-0192: Final Order - Number Pooling
Docket 98-0497
Docket 98-0497: Final Order: 847 Area Code
Docket 98-0497: Post Exception Proposed Order
Docket 98-0497: ICC Staff Testimony - Brent Struthers
Docket 98-0497: Appendix A
Docket 98-0497: Appendix B
Docket 98-0497: Appendix C
Docket 98-0497: Appendix D
Docket 98-0497: Appendix E
Docket 98-0497: Interim Order
Docket 98-0497: Order
Docket 98-0847
Docket 98-0847: Interim Order - Postpones Area Code Change in Chicago
Docket 98-0847: Proposed Interim Order
Docket 98-0847: ICC Reply Brief
Docket 98-0847: ICC Initial Brief
Docket 98-0847: ICC Harvey Nelson
Docket 98-0847: ICC Nelson Exhibit