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Skip Navigation LinksHome > Industry > Public Utility > Telecommunications > Area Code
General Information
224 Overlay Education Program - 09/27/01 Published: September 20, 2001
618 Area Code Questions and Answers Published: March 6, 2002
815 Area Code: Questions & Answers Published: April 8, 2002
Area Code History Published: February 8, 2002
Chicago NPA Forcast Data Published: June 12, 2000
Digital Divide Map Published: April 15, 2008
Illinois Area Codes Published: February 16, 2007
North American Numbering Plan AdministrationExternal Link Published: January 22, 2002
Number Pooling Published: December 17, 1998
Questions and Answers on 847/224 Area Codes Published: September 17, 2001
WorldCom Pulls from Number Pooling Published: December 17, 1998
Press Releases
779 to Overlay 815 Area Code Next Year Published: May 15, 2006
815 Area Code: Press Release - ICC Sets 815 Public Forums Published: April 4, 2002
ICC Announces New 331 Area Code For 630 Region Published: July 11, 2007
ICC Announces Overlay Area Code Plan for 217 Region Published: August 21, 2006
ICC Approves Overlay for 618 Published: April 28, 2005
ICC issues new area code overlay reminder Published: February 7, 2007
ICC Plans Two New Hearings on 618 Area Code Published: March 15, 2002
ICC Seeks FCC Approval For Number Conservation Published: December 5, 2001
ICC To Host Forums on 618 Area Code Published: January 14, 2002
Docket 97-0192
Docket 97-0192: Final Order - Number Pooling Published: May 11, 1998
Dockets 97-0192 & 97-0211 Published: June 26, 1998
Docket 98-0497
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: Final Order: 847 Area Code Published: December 17, 1998
Docket 98-0497: ICC Staff Testimony - Brent Struthers Published: August 5, 1998
Docket 98-0497: Interim Order Published: August 4, 1998
Docket 98-0497: Order Published: June 29, 1998
Docket 98-0497: Post Exception Proposed Order Published: December 9, 1998
Docket 98-0847
Docket 98-0847: ICC Harvey Nelson Published: April 5, 1999
Docket 98-0847: ICC Initial Brief Published: May 5, 1999
Docket 98-0847: ICC Nelson Exhibit Published: April 5, 1999
Docket 98-0847: ICC Reply Brief Published: May 10, 1999
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