Mpower Announces First Quarter 2006 Earnings Conference Call and Web Cast

ROCHESTER, N.Y., MAY 1  /PRNewswire-FirstCall/ -- Mpower Communications Corp. (AMEX:MPE), a leading provider of data and voice services to retail and wholesale business customers, will host a public conference call to discuss the details of its first quarter 2006 financial and operating results.

   Date:  Tuesday, May 9, 2006
   Time:  10:00 a.m. EDT



Web Cast & Audio Streaming Link/Instructions: http://showvisuals.mshow.com/findshow.aspx?usertype=0&cobrand=128&shownumber=2 97550

This link will access both the audio and PowerPoint presentation for the call.  Advanced registration on the site is recommended.  Click on the link above to register in advance and/or join the conference call at the designated time.

  Web Cast Replay:  Available for 30 days after the call at above link

  Audio Live Number:  1-888-332-7254, PIN #7326607

  Audio Replay Number:  1-877-519-4471, PIN #7326607
                        From Tuesday, May 9, 2006 at 1:00 p.m. Eastern
                         through Tuesday, May 16, 2006 at 5:00 p.m. Eastern


  About Mpower Communications


Founded in 1996, Mpower Communications (AMEX:MPE) is a leading facilities-based broadband communications provider offering a full range of data, telephony, Internet access and Web hosting services for retail business and wholesale customers.  Further information about the company can be found at http://www.mpowercom.com/. 

DATASOURCE: Mpower Communications Corporation



CONTACT:  Investors: Gregg Clevenger, Chief Financial Officer,

[phone], , or Media: Michele Sadwick, Vice

President, [phone], , both of Mpower

Communications Corporation



Web site:  http://www.mpowercom.com/ 

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