Attached files
| file | filename |
|---|---|
| 10-K - 10-K - XO HOLDINGS INC | w77706e10vk.htm |
| EX-31.1 - EX-31.1 - XO HOLDINGS INC | w77706exv31w1.htm |
| EX-21.1 - EX-21.1 - XO HOLDINGS INC | w77706exv21w1.htm |
| EX-32.1 - EX-32.1 - XO HOLDINGS INC | w77706exv32w1.htm |
| EX-31.2 - EX-31.2 - XO HOLDINGS INC | w77706exv31w2.htm |
| EX-23.2 - EX-23.2 - XO HOLDINGS INC | w77706exv23w2.htm |
Exhibit 23.1
Consent
of Independent Registered Public Accounting Firm
We have issued our report dated March 31, 2010 with respect to the consolidated financial
statements, schedule, and internal controls over financial reporting included in the Annual Report
of XO Holdings, Inc. on Form 10-K for the year ended December 31, 2009. We hereby consent to the
incorporation by reference of said reports in the Registration Statements of XO Holdings, Inc. on
Forms S-8 (File No. 333-103428, effective April 11, 2006 and File No. 333-106302 effective April
11, 2006) and on Forms S-3 (File No. 333-128489, effective April 14, 2006, File No. 333-135173,
effective July 5, 2006, File No. 333-147643 effective January 18, 2008 and File No. 333-144567,
effective August 27, 2008).
/s/ GRANT THORNTON LLP
McLean, Virginia
March 31, 2010
McLean, Virginia
March 31, 2010