<PAGE>
                                   EXHIBIT 24

                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Richard R. Jaros do make, constitute and
appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial Officer, as my
true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) Richard R. Jaros

                                    WITNESS:


<PAGE>


                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Thomas J. May do make, constitute and
appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial Officer, as my
true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) Thomas J. May

                                    WITNESS:


<PAGE>



                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Alfred Fasola do make, constitute and
appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial Officer, as my
true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) Alfred Fasola

                                    WITNESS:


<PAGE>



                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, James Q. Crowe do make, constitute and
appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial Officer, as my
true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) James Q. Crowe

                                    WITNESS:


<PAGE>



                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Michael B.Yanney do make, constitute and
appoint Timothy J. Stocklosa , RCN Corporation's Chief Financial Officer, as my
true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) Michael B. Yanney

                                    WITNESS:


<PAGE>



                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Thomas P. O'Neill, III do make,
constitute and appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial
Officer, as my true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) Thomas P. O'Neill, III

                                    WITNESS:


<PAGE>



                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Walter Scott, Jr. do make, constitute
and appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial Officer, as
my true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) Walter Scott, Jr.

                                    WITNESS:


<PAGE>



                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Eugene Roth do make, constitute and
appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial Officer, as my
true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) Eugene Roth

                                    WITNESS:


<PAGE>



                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, David C. McCourt do make, constitute and
appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial Officer, as my
true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) David C. McCourt

                                    WITNESS:


<PAGE>



                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Michael A. Adams, do make, constitute
and appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial Officer, as
my true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) Michael A. Adams

                                    WITNESS:



<PAGE>
                           SPECIFIC POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Peter S. Brodsky, do make, constitute
and appoint Timothy J. Stoklosa, RCN Corporation's Chief Financial Officer, as
my true and lawful attorney for me and in my name:

1. I authorize said attorney in fact to specifically execute in my name and on
my behalf the RCN Corporation Form 10-K for the fiscal year ended December 31,
2002, and to file said form to the Securities and Exchange Commission, 450 5th
Street, N.W., Washington, D.C. 20549, and relative instruments in writing which
I deem requisite or proper to effectuate specifically the execution and delivery
of the above-mentioned form with the same validity as I could, if personally
present, and I hereby ratify and affirm that my said attorney as I may deem to
act for me, shall do, by virtue of these presents, herein set forth by me.

2. All rights, powers and authority of said attorney in fact to exercise any and
all of the specific rights and powers herein granted shall commence and be in
full force and effect as of the date hereof, and such specific rights, powers
and authority shall remain in full force and effect thereafter until termination
in writing by me.

3. I give to said attorney in fact full power and authority to appoint a
substitute to perform all such of the acts that said attorney in fact is by this
instrument authorized to perform, with the right to revoke such appointment of
substitute at pleasure.

IN WITNESS WHEREOF, I hereunto set my hand and seal this __ day of ___________,
2003.

______________________(SEAL) Peter S. Brodsky

                                    WITNESS: