<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is an Officer and Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O. G. SHAFFER,
B. F. ELLIOTT AND  R.W. PEHLKE and each of them, as attorneys for the
undersigned and in the undersigned's name, place and stead as an Officer and a
Director of the Company, to execute and file the Annual Report, and thereafter
to execute and file any amendment or amendments thereto on Form 8, hereby giving
and granting to said attorneys full power and authority to do and perform all
and every act and thing whatsoever requisite and necessary to be done in and
about the premises as fully, to all intents and purposes, as the undersigned
might or could do if personally present at the doing thereof, hereby ratifying
and confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 4th day of
March, 1996.


 
                                 /s/ Richard C. Notebaert
                                 Richard C. Notebaert
                                 Chairman and Chief Executive Officer

STATE OF ILLINOIS  )
COUNTY OF COOK     )

  On the 4th day of March, 1996, personally appeared before me Richard C
Notebaert to me known and known to be the person described in and who executed
the foregoing instrument and such person duly acknowledged that such person
executed and delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 4th day of March, 1996.



                                 /s/ Judy L. Anker
                                     Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is an Officer of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS R.C.
NOTEBAERT, B. F. ELLIOTT AND R. W. PEHLKE, and each of them, as attorneys for
the undersigned and in the undersigned's name, place and stead as an Officer of
the Company, to execute and file the Annual Report, and thereafter to execute
and file any amendment or amendments thereto on Form 8, hereby giving and
granting to said attorneys full power and authority to do and perform all and
every act and thing whatsoever requisite and necessary to be done in and about
the premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 8th day of
March, 1996.



                                 /s/ Oren G. Shaffer
                                 Oren G. Shaffer
                                 Executive Vice President and
                                 Chief Financial Officer


STATE OF ILLINOIS  )
COUNTY OF COOK     )


  On the 8th day of March, 1996, personally appeared before me Oren G. Shaffer
to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 8th day of March, 1996.



                                 /s/ Judy L. Anker
                                     Notary Public
 
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B. F. ELLIOTT AND R.W. PEHLKE, and each of them, as attorneys for the
undersigned and in the undersigned's name, place and stead as a Director of the
Company, to execute and file the Annual Report, and thereafter to execute and
file any amendment or amendments thereto on Form 8, hereby giving and granting
to said attorneys full power and authority to do and perform all and every act
and thing whatsoever requisite and necessary to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 1st day of
March, 1996.



                                    /s/ Donald C. Clark        
                                    Donald C. Clark
                                        


STATE OF ILLINOIS  )
COUNTY OF COOK     )


  On the 1st day of March, 1996, personally appeared before me Donald C. Clark
to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 1st day of March, 1996.


                                    /s/ Mary L. Hicks
                                           Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B. F. ELLIOTT AND R.W. PEHLKE, and each of them, as attorneys for the
undersigned and in the undersigned's name, place and stead as a Director of the
Company, to execute and file the Annual Report, and thereafter to execute and
file any amendment or amendments thereto on Form 8, hereby giving and granting
to said attorneys full power and authority to do and perform all and every act
and thing whatsoever requisite and necessary to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 8th day of
March, 1996.



                                 /s/ Melvin R. Goodes
                                 Melvin R. Goodes
                                                                         


STATE OF ILLINOIS  )
COUNTY OF COOK     )


  On the 8th day of March, 1996, personally appeared before me Melvin R. Goodes
to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 8th day of March, 1996.


                                 /s/ Judy L. Anker
                                          Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B.F. ELLIOTT AND R.W. PEHLKE, and each of them, as attorneys for the undersigned
and in the undersigned's name, place and stead as a Director of the Company, to
execute and file the Annual Report, and thereafter to execute and file any
amendment or amendments thereto on Form 8, hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite and necessary to be done in and about the premises as
fully, to all intents and purposes, as the undersigned might or could do if
personally present at the doing thereof, hereby ratifying and confirming all
that said attorneys may or shall lawfully do, or cause to be done, by virtue
hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set her hand this 8th day of
March, 1996.





                                 /s/ Hanna Holborn Gray
                                 Hanna Holborn Gray
 
                                        
                                        


STATE OF ILLINOIS  )
COUNTY OF COOK     )


  On the 8th day of March, 1996, personally appeared before me Hanna Holborn
Gray to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 8th day of March, 1996.



                                 /s/ Judy L. Anker
                                       Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B. F. ELLIOTT AND R.W. PEHLKE, and each of them, as attorneys for the
undersigned and in the undersigned's name, place and stead as a Director of the
Company, to execute and file the Annual Report, and thereafter to execute and
file any amendment or amendments thereto on Form 8, hereby giving and granting
to said attorneys full power and authority to do and perform all and every act
and thing whatsoever requisite and necessary to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 8th day of
March, 1996.



                                 /s/ James A. Henderson
                                 James A. Henderson
                                        


STATE OF ILLINOIS  )
COUNTY OF COOK     )


  On the 8th day of March, 1996, personally appeared before me James A.
Henderson to me known and known to be the person described in and who executed
the foregoing instrument and such person duly acknowledged that such person
executed and delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 8th day of March, 1996.



                                 /s/ Judy L. Anker
                                      Notary Public
                                 
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B.F. ELLIOTT AND R.W. PEHLKE, and each of them, as attorneys for the undersigned
and in the undersigned's name, place and stead as a Director of the Company, to
execute and file the Annual Report, and thereafter to execute and file any
amendment or amendments thereto on Form 8, hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite and necessary to be done in and about the premises as
fully, to all intents and purposes, as the undersigned might or could do if
personally present at the doing thereof, hereby ratifying and confirming all
that said attorneys may or shall lawfully do, or cause to be done, by virtue
hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 1st day of
March, 1996.



                                 /s/ Sheldon B. Lubar
                                 Sheldon B. Lubar
                                 


STATE OF WISCONSIN   )
COUNTY OF MILWAUKEE  )


  On the 1st day of March, 1996, personally appeared before me Sheldon B. Lubar
to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 1st day of March, 1996.



                                 /s/ Mary Beth Wisniewski
                                      Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B.F. ELLIOTT AND R.W.PEHLKE, and each of them, as attorneys for the undersigned
and in the undersigned's name, place and stead as a Director of the Company, to
execute and file the Annual Report, and thereafter to execute and file any
amendment or amendments thereto on Form 8, hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite and necessary to be done in and about the premises as
fully, to all intents and purposes, as the undersigned might or could do if
personally present at the doing thereof, hereby ratifying and confirming all
that said attorneys may or shall lawfully do, or cause to be done, by virtue
hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set her hand this 5th day of
March, 1996.



                                 /s/ Lynn M. Martin
                                 Lynn M. Martin
                                 


STATE OF ILLINOIS  )
COUNTY OF COOK     )


  On the 5th day of March, 1996, personally appeared before me Lynn M. Martin to
me known and known to be the person described in and who executed the foregoing
instrument and such person duly acknowledged that such person executed and
delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 5th day of March, 1996.



                                 /s/ Janet G. Sanders
                                      Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B. F. ELLIOTT AND R.W.PEHLKE, and each of them, as attorneys for the undersigned
and in the undersigned's name, place and stead as a Director of the Company, to
execute and file the Annual Report, and thereafter to execute and file any
amendment or amendments thereto on Form 8, hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite and necessary to be done in and about the premises as
fully, to all intents and purposes, as the undersigned might or could do if
personally present at the doing thereof, hereby ratifying and confirming all
that said attorneys may or shall lawfully do, or cause to be done, by virtue
hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 8th day of
March, 1996.



                                 /s/ Arthur C. Martinez
                                 Arthur C. Martinez
                                        


STATE OF ILLINOIS  )
COUNTY OF COOK     )


  On the 8th day of March, 1996, personally appeared before me Arthur C.
Martinez to me known and known to be the person described in and who executed
the foregoing instrument and such person duly acknowledged that such person
executed and delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 8th day of March, 1996.



                                 /s/ Judy L. Anker
                                      Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B. F. ELLIOTT AND R.W. PEHLKE, and each of them, as attorneys for the
undersigned and in the undersigned's name, place and stead as a Director of the
Company, to execute and file the Annual Report, and thereafter to execute and
file any amendment or amendments thereto on Form 8, hereby giving and granting
to said attorneys full power and authority to do and perform all and every act
and thing whatsoever requisite and necessary to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 4th day of
March, 1996.


                                 /s/ John B. McCoy
                                 John B. McCoy
                                        


STATE OF OHIO      )
COUNTY OF FRANKLIN )


  On the 4th day of March, 1996, personally appeared before me John B. McCoy to
me known and known to be the person described in and who executed the foregoing
instrument and such person duly acknowledged that such person executed and
delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 4th day of March, 1996.



                                 Mary E. Jones
                                    Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B. F. ELLIOTT AND R.W.PEHLKE, and each of them, as attorneys for the undersigned
and in the undersigned's name, place and stead as a Director of the Company, to
execute and file the Annual Report, and thereafter to execute and file any
amendment or amendments thereto on Form 8, hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite and necessary to be done in and about the premises as
fully, to all intents and purposes, as the undersigned might or could do if
personally present at the doing thereof, hereby ratifying and confirming all
that said attorneys may or shall lawfully do, or cause to be done, by virtue
hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 8th of
March, 1996.



                                 /s/ John D. Ong
                                 John D. Ong
                                                                         


STATE OF ILLINOIS  )
COUNTY OF COOK     )


  On the 8th of March, 1996, personally appeared before me John D. Ong to me
known and known to be the person described in and who executed the foregoing
instrument and such person duly acknowledged that such person executed and
delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 8th of March, 1996.



                                 /s/ Judy L. Anker
                                      Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B. F. ELLIOTT AND R.W.PEHLKE, and each of them, as attorneys for the undersigned
and in the undersigned's name, place and stead as a Director of the Company, to
execute and file the Annual Report, and thereafter to execute and file any
amendment or amendments thereto on Form 8, hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite and necessary to be done in and about the premises as
fully, to all intents and purposes, as the undersigned might or could do if
personally present at the doing thereof, hereby ratifying and confirming all
that said attorneys may or shall lawfully do, or cause to be done, by virtue
hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 8th day of
March, 1996.


                                 /s/ A. Barry Rand
                                    A. Barry Rand
                                        


STATE OF ILLINOIS  )
COUNTY OF COOK     )


  On the 8th day of March, 1996, personally appeared before me A. Barry Rand to
me known and known to be the person described in and who executed the foregoing
instrument and such person duly acknowledged that such person executed and
delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 8th day of March, 1996.



                                 /s/ Judy L. Anker
                                      Notary Public
<PAGE>
 
                                                                      Exhibit 24


                               POWER OF ATTORNEY
                               -----------------



KNOW ALL MEN BY THESE PRESENTS:

  WHEREAS, AMERITECH CORPORATION, a Delaware corporation (hereinafter referred
to as the "Company"), proposes to file shortly with the Securities and Exchange
Commission, under the provisions of the Securities Exchange Act of 1934, as
amended, an Annual Report on Form 10-K for the fiscal year ended December 31,
1995 (the "Annual Report"); and

  WHEREAS, the undersigned is a Director of the Company;

  NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G. SHAFFER,
B. F. ELLIOTT AND R.W.PEHLKE, and each of them, as attorneys for the undersigned
and in the undersigned's name, place and stead as a Director of the Company, to
execute and file the Annual Report, and thereafter to execute and file any
amendment or amendments thereto on Form 8, hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite and necessary to be done in and about the premises as
fully, to all intents and purposes, as the undersigned might or could do if
personally present at the doing thereof, hereby ratifying and confirming all
that said attorneys may or shall lawfully do, or cause to be done, by virtue
hereof.

  IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 4th day of
March, 1996.




                                 /s/ James A. Unruh
                                 James A. Unruh
                                 

STATE OF OHIO       )
COUNTY OF MONTGOMERY)


  On the 4th day of March, 1996, personally appeared before me James A. Unruh to
me known and known to be the person described in and who executed the foregoing
instrument and such person duly acknowledged that such person executed and
delivered the same for the purpose therein expressed.

  WITNESS my hand and official seal this 4th day of March, 1996.



                                 /s/ Susan H. Sowers
                                     Notary Public