| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Atlanta/Smyrna | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Austin (2100 S. IH-35) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Baltimore (S. Charles) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Boston | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Cambridge (89 Fulkerson, 1st Floor | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Chicago (S. Dearborn) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Columbus | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Dallas (Mockingbird Ln.) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Denver/Englewood (E. Easter) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Denver/Englewood (Inverness Way) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Detroit/Southfield (21455 Melrose Ave.) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Detroit/Southfield (21555 Melrose Ave.) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Houston (Fannin St.) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Houston (Portsmouth St.) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Maryland Heights | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Minneapolis (Marquette Ave.) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Nashville | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->New York (111 8th Ave., 5th Floor) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Phoenix (3930 E. Watkins) | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->Secaucus | XO Communications | Unspecified Unspecified | Directory export |
| <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->St. Louis (N. Tucker Blvd.) | XO Communications | Unspecified Unspecified | Directory export |
| Atlanta/Smyrna | XO Communications | Smyrna Georgia | Directory export |
| Austin (11501 Domain Dr.) | XO Communications | Austin Texas | Directory export |
| Austin (2100 S. IH-35) | XO Communications | Austin Texas | Directory export |
| Baltimore (S. Charles) | XO Communications | Baltimore Maryland | Directory export |
| Boston | XO Communications | Boston Massachusetts | Directory export |
| Cambridge (89 Fulkerson, 1st Floor | XO Communications | Cambridge Massachusetts | Directory export |
| Cambridge (89 Fulkerson, 2nd Floor) | XO Communications | Cambridge Massachusetts | Directory export |
| Chicago (S. Dearborn) | XO Communications | Chicago Illinois | Directory export |
| Columbus | XO Communications | Columbus Ohio | Directory export |