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**Exhibit      10.24**

**SEPARATION      AGREEMENT**

**CONFIDENTIAL**

|   | 1. | As                  of the Effective Date, you have ceased to serve as the Chief Financial                  Officer of RCN and shall instead serve as Executive Vice President                  -                  Corporate. |
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|   | 2. | From                  the Effective Date to July 1, 2005, you shall devote your full                  business                  time and attention to (A) assisting RCN and its employees to complete                  and                  file with the Securities and Exchange Commission RCN’s financial                  statements for the fiscal quarter ended March 31, 2005 (the “Financial                  Statements”) and (B) performing such other duties and responsibilities as                  are reasonably assigned to you from time to time by RCN’s Chief Executive                  Officer. You shall report to RCN’s Chief Executive Officer in connection                  with your duties described in (B),                  above. |
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|   | 3. | You                  agree that you shall not voluntarily terminate your employment                  with RCN                  for any reason before July 1, 2005, unless an earlier end date                  is agreed                  to in writing by RCN’s Chief Executive Officer (the “Termination Date”).                  You agree that your employment with RCN shall automatically terminate                  on                  the Termination Date. |
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|   | 4. | In                  consideration of your promises herein, RCN shall (i) continue to                  pay you                  at your current base salary through the Termination Date and (ii)                  grant                  you options to acquire 75,000 shares of common stock of RCN Corporation                  (“Stock”) on the terms and conditions set forth herein (the “Options”).                  The Options have been authorized by the Board of Directors and                  have a per                  share exercise price equal to $18.80. The Options shall fully vest                  on the                  90th                  day following the grant date (regardless of whether you are then                  employed                  by RCN) provided you have, within 45 days of the Termination Date,                  executed and delivered to RCN a full and irrevocable release of                  claims                  through the date hereof, substantially in the form of Exhibit A                  (the                  “Release”). Vested Options shall remain exercisable until the third                  anniversary of the grant date. The Options shall be automatically                  forfeited on the 45th                  day following the Termination Date if you have not executed and                  delivered                  the Release as set forth above. Notwithstanding anything to the                  contrary                  contained herein, the Options shall be subject to the terms of                  the RCN                  Corporation 2005 Stock Compensation Plan in the form approved by                  the RCN’s                  stockholders and its Board of                  Directors. |
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|   | 5. | Promptly,                  and in any event within two business days, after your execution                  and                  delivery of the Release described in Paragraph 4 above, you shall                  be paid                  $393,730, which constitutes the severance benefits specified in                  Section                  3(b) of the letter agreement between you and RCN dated December                  7, 2004                  (the “2004 Agreement”), it being understood and agreed that you shall not                  be entitled to any additional duplicative severance benefits under                  the                  2004 Agreement and this Separation Agreement; provided however,                  that (for                  the avoidance of doubt) RCN shall provide you and your family,                  at its                  expense; with health insurance benefits as contemplated by Section                  3(b) of                  the 2004 letter. |
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|   | 6. | This                  letter constitutes the complete agreement between the parties on                  the                  matters set forth herein and merges and supersedes all prior discussions,                  agreements (whether written or oral) and understandings of every                  kind and                  nature in respect of the subject matter of his letter. Notwithstanding                  the                  foregoing, this letter shall not relieve you of any obligations                  you may                  have to RCN under any other agreement, including the 2004                  Agreement. |
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|   | 7. | This                  letter may be executed in one or more counterparts, which, together,                  shall                  constitute one and the same                  agreement. |
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|   | 8. | This                  letter shall be governed by and construed in accordance with the                  laws of                  the State of New Jersey, without regard to its conflicts of law                  rules. |
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| RCN                    TELECOM SERVICES, INC. |                                 | Accepted                    and Agreed: |                                |
|-----------------------------------------------|--------------------------------------|-----------------------------------------|-------------------------------------|
|                                          |                                 |                                    |                                |   |
|                                          |                                 |                                    |                                |   |
| By:                                           |                                 |                                    |                                |   |
|                                          | Peter                    D. Aquino   |                                    | Patrick                    T. Hogan |   |
|                                          | CEO                    and President |                                    |                                |   |

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