Illinois Commerce Commission
Illinois Commerce Commission
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ICC
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Area Codes
Illinois Area Codes
Published: August 28, 2009
Chicago Area Codes
Published: August 10, 2009
Digital Divide Map
Published: May 26, 2009
815 Area Code: Questions & Answers
Published: April 8, 2002
618 Area Code Questions and Answers
Published: March 6, 2002
Area Code History
Published: February 8, 2002
North American Numbering Plan Administration
Published: January 22, 2002
224 Overlay Education Program - 09/27/01
Published: September 20, 2001
Questions and Answers on 847/224 Area Codes
Published: September 17, 2001
Chicago NPA Forcast Data
Published: June 12, 2000
Number Pooling
Published: December 17, 1998
WorldCom Pulls from Number Pooling
Published: December 17, 1998
Press Releases
New 872 Area Code Coming to City of Chicago
Published: October 29, 2009
872 Area Code Facts
Published: October 29, 2009
ICC Announces New 872 Area Code for City of Chicago
Published: August 10, 2009
ICC Announces New 331 Area Code For 630 Region
Published: July 11, 2007
ICC issues new area code overlay reminder
Published: February 7, 2007
ICC Announces Overlay Area Code Plan for 217 Region
Published: August 21, 2006
779 to Overlay 815 Area Code Next Year
Published: May 15, 2006
ICC Approves Overlay for 618
Published: April 28, 2005
815 Area Code: Press Release - ICC Sets 815 Public Forums
Published: April 4, 2002
ICC Plans Two New Hearings on 618 Area Code
Published: March 15, 2002
ICC To Host Forums on 618 Area Code
Published: January 14, 2002
ICC Seeks FCC Approval For Number Conservation
Published: December 5, 2001
Docket 97-0192
Dockets 97-0192 & 97-0211
Published: June 26, 1998
Docket 97-0192: Final Order - Number Pooling
Published: May 11, 1998
Docket 98-0497
Docket 98-0497: Final Order: 847 Area Code
Published: December 17, 1998
Docket 98-0497: Post Exception Proposed Order
Published: December 9, 1998
Docket 98-0497: ICC Staff Testimony - Brent Struthers
Published: August 5, 1998
Docket 98-0497: Appendix A
Published: August 5, 1998
Docket 98-0497: Appendix B
Published: August 5, 1998
Docket 98-0497: Appendix C
Published: August 5, 1998
Docket 98-0497: Appendix D
Published: August 5, 1998
Docket 98-0497: Appendix E
Published: August 5, 1998
Docket 98-0497: Interim Order
Published: August 4, 1998
Docket 98-0497: Order
Published: June 29, 1998
Docket 98-0847
Docket 98-0847: Interim Order - Postpones Area Code Change in Chicago
Published: July 1, 1999
Docket 98-0847: Proposed Interim Order
Published: June 11, 1999
Docket 98-0847: ICC Reply Brief
Published: May 10, 1999
Docket 98-0847: ICC Initial Brief
Published: May 5, 1999
Docket 98-0847: ICC Harvey Nelson
Published: April 5, 1999
Docket 98-0847: ICC Nelson Exhibit
Published: April 5, 1999